diff --git a/akka-streams/pom.xml b/akka-streams/pom.xml
index a885753ce2..7719bb7351 100644
--- a/akka-streams/pom.xml
+++ b/akka-streams/pom.xml
@@ -14,18 +14,19 @@
     <dependencies>
         <dependency>
             <groupId>com.typesafe.akka</groupId>
-            <artifactId>akka-stream_2.11</artifactId>
+            <artifactId>akka-stream_${scala.version}</artifactId>
             <version>${akkastreams.version}</version>
         </dependency>
         <dependency>
             <groupId>com.typesafe.akka</groupId>
-            <artifactId>akka-stream-testkit_2.11</artifactId>
+            <artifactId>akka-stream-testkit_${scala.version}</artifactId>
             <version>${akkastreams.version}</version>
         </dependency>
     </dependencies>
 
     <properties>
         <akkastreams.version>2.5.2</akkastreams.version>
+        <scala.version>2.11</scala.version>
     </properties>
 
 </project>
\ No newline at end of file
diff --git a/persistence-modules/jnosql/jnosql-diana/pom.xml b/persistence-modules/jnosql/jnosql-diana/pom.xml
index b52c808cf5..a4951761d8 100644
--- a/persistence-modules/jnosql/jnosql-diana/pom.xml
+++ b/persistence-modules/jnosql/jnosql-diana/pom.xml
@@ -18,36 +18,36 @@
         <dependency>
             <groupId>org.jnosql.diana</groupId>
             <artifactId>diana-document</artifactId>
-            <version>0.0.5</version>
+            <version>${jnosql.version}</version>
         </dependency>
         <dependency>
             <groupId>org.jnosql.diana</groupId>
             <artifactId>mongodb-driver</artifactId>
-            <version>0.0.5</version>
+            <version>${jnosql.version}</version>
         </dependency>
 
         <!--NoSQL Column oriented-->
         <dependency>
             <groupId>org.jnosql.diana</groupId>
             <artifactId>diana-column</artifactId>
-            <version>0.0.5</version>
+            <version>${jnosql.version}</version>
         </dependency>
         <dependency>
             <groupId>org.jnosql.diana</groupId>
             <artifactId>cassandra-driver</artifactId>
-            <version>0.0.5</version>
+            <version>${jnosql.version}</version>
         </dependency>
 
         <!--NoSQL Key Value oriented-->
         <dependency>
             <groupId>org.jnosql.diana</groupId>
             <artifactId>diana-key-value</artifactId>
-            <version>0.0.5</version>
+            <version>${jnosql.version}</version>
         </dependency>
         <dependency>
             <groupId>org.jnosql.diana</groupId>
             <artifactId>hazelcast-driver</artifactId>
-            <version>0.0.5</version>
+            <version>${jnosql.version}</version>
         </dependency>
     </dependencies>
 
diff --git a/persistence-modules/spring-data-cassandra-reactive/pom.xml b/persistence-modules/spring-data-cassandra-reactive/pom.xml
index d2bc574ee9..bc8f49862d 100644
--- a/persistence-modules/spring-data-cassandra-reactive/pom.xml
+++ b/persistence-modules/spring-data-cassandra-reactive/pom.xml
@@ -21,7 +21,7 @@
         <dependency>
             <groupId>org.springframework.data</groupId>
             <artifactId>spring-data-cassandra</artifactId>
-            <version>2.1.2.RELEASE</version>
+            <version>${spring-data-cassandra.version}</version>
         </dependency>
         <dependency>
             <groupId>io.projectreactor</groupId>
@@ -53,6 +53,7 @@
         <project.reporting.outputEncoding>UTF-8
         </project.reporting.outputEncoding>
         <java.version>1.8</java.version>
+        <spring-data-cassandra.version>2.1.2.RELEASE</spring-data-cassandra.version>
     </properties>
 
 </project>
diff --git a/spring-akka/pom.xml b/spring-akka/pom.xml
index 92b3f1162d..d8b943b5ae 100644
--- a/spring-akka/pom.xml
+++ b/spring-akka/pom.xml
@@ -19,7 +19,7 @@
         </dependency>
         <dependency>
             <groupId>com.typesafe.akka</groupId>
-            <artifactId>akka-actor_2.11</artifactId>
+            <artifactId>akka-actor_${scala.version}</artifactId>
             <version>${akka.version}</version>
         </dependency>
         <dependency>
@@ -44,6 +44,7 @@
     <properties>
         <spring.version>4.3.4.RELEASE</spring.version>
         <akka.version>2.4.14</akka.version>
+        <scala.version>2.11</scala.version>
     </properties>
 
 </project>
\ No newline at end of file
diff --git a/spring-boot-angular/src/main/java/com/baeldung/pom.xml b/spring-boot-angular/src/main/java/com/baeldung/pom.xml
index d4ebc870b4..ac86f932b4 100644
--- a/spring-boot-angular/src/main/java/com/baeldung/pom.xml
+++ b/spring-boot-angular/src/main/java/com/baeldung/pom.xml
@@ -6,15 +6,13 @@
     <version>1.0</version>
     <packaging>jar</packaging>
     <name>Spring Boot Angular Application</name>
+    
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
         <version>2.1.3.RELEASE</version>
         <relativePath/>
     </parent>
-    <properties>
-        <java.version>1.8</java.version>
-    </properties>
 
     <dependencies>
         <dependency>
@@ -46,4 +44,7 @@
         </plugins>
     </build>
 
+    <properties>
+        <java.version>1.8</java.version>
+    </properties>
 </project>
\ No newline at end of file
diff --git a/spring-boot-testing/pom.xml b/spring-boot-testing/pom.xml
index caf48276b6..84107070bd 100644
--- a/spring-boot-testing/pom.xml
+++ b/spring-boot-testing/pom.xml
@@ -101,7 +101,7 @@
             <plugin>
                 <groupId>org.codehaus.gmavenplus</groupId>
                 <artifactId>gmavenplus-plugin</artifactId>
-                <version>1.6</version>
+                <version>${gmavenplus-plugin.version}</version>
                 <executions>
                     <execution>
                         <goals>
@@ -119,6 +119,7 @@
         <start-class>com.baeldung.boot.Application</start-class>
         <git-commit-id-plugin.version>2.2.4</git-commit-id-plugin.version>
         <spock.version>1.2-groovy-2.4</spock.version>
+        <gmavenplus-plugin.version>1.6</gmavenplus-plugin.version>
     </properties>
 
 </project>
diff --git a/spring-cloud/spring-cloud-contract/spring-cloud-contract-consumer/pom.xml b/spring-cloud/spring-cloud-contract/spring-cloud-contract-consumer/pom.xml
index 7d00a9f463..8ecda40d0a 100644
--- a/spring-cloud/spring-cloud-contract/spring-cloud-contract-consumer/pom.xml
+++ b/spring-cloud/spring-cloud-contract/spring-cloud-contract-consumer/pom.xml
@@ -20,24 +20,24 @@
         <dependency>
             <groupId>org.springframework.cloud</groupId>
             <artifactId>spring-cloud-contract-wiremock</artifactId>
-            <version>1.2.2.RELEASE</version>
+            <version>${spring-cloud.version}</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.springframework.cloud</groupId>
             <artifactId>spring-cloud-contract-stub-runner</artifactId>
-            <version>1.2.2.RELEASE</version>
+            <version>${spring-cloud.version}</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
-            <version>1.5.9.RELEASE</version>
+            <version>${spring-boot.version}</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-data-rest</artifactId>
-            <version>1.5.9.RELEASE</version>
+            <version>${spring-boot.version}</version>
         </dependency>
         <dependency>
             <groupId>com.baeldung.spring.cloud</groupId>
@@ -51,5 +51,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <java.version>1.8</java.version>
+        <spring-cloud.version>1.2.2.RELEASE</spring-cloud.version>
+        <spring-boot.version>1.5.9.RELEASE</spring-boot.version>
     </properties>
 </project>
diff --git a/spring-cloud/spring-cloud-contract/spring-cloud-contract-producer/pom.xml b/spring-cloud/spring-cloud-contract/spring-cloud-contract-producer/pom.xml
index a6bd4e1be4..47759a818a 100644
--- a/spring-cloud/spring-cloud-contract/spring-cloud-contract-producer/pom.xml
+++ b/spring-cloud/spring-cloud-contract/spring-cloud-contract-producer/pom.xml
@@ -25,12 +25,12 @@
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
-            <version>1.5.9.RELEASE</version>
+            <version>${spring-boot.version}</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-data-rest</artifactId>
-            <version>1.5.9.RELEASE</version>
+            <version>${spring-boot.version}</version>
         </dependency>
     </dependencies>
     <build>
@@ -66,6 +66,7 @@
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <java.version>1.8</java.version>
         <spring-cloud.version>Edgware.SR1</spring-cloud.version>
+        <spring-boot.version>1.5.9.RELEASE</spring-boot.version>
     </properties>
 
 </project>
diff --git a/spring-freemarker/pom.xml b/spring-freemarker/pom.xml
index c71643dc39..40558476ef 100644
--- a/spring-freemarker/pom.xml
+++ b/spring-freemarker/pom.xml
@@ -48,7 +48,7 @@
         <dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-test</artifactId>
-			<version>1.5.10.RELEASE</version>
+			<version>${spring-boot.version}</version>
 			<scope>test</scope>
 		</dependency>
 
@@ -59,6 +59,7 @@
         <freemarker.version>2.3.28</freemarker.version>
         <servletapi.version>3.1.0</servletapi.version>
         <failOnMissingWebXml>false</failOnMissingWebXml>
+        <spring-boot.version>1.5.10.RELEASE</spring-boot.version>
     </properties>
 
 </project>
diff --git a/spring-jersey/pom.xml b/spring-jersey/pom.xml
index c12f6a1241..5a12d27180 100644
--- a/spring-jersey/pom.xml
+++ b/spring-jersey/pom.xml
@@ -95,28 +95,28 @@
         <dependency>
             <groupId>com.github.tomakehurst</groupId>
             <artifactId>wiremock</artifactId>
-            <version>1.58</version>
+            <version>${wiremock.version}</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.jaxrs</groupId>
             <artifactId>jackson-jaxrs-json-provider</artifactId>
-            <version>2.9.7</version>
+            <version>${jackson.version}</version>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.9.7</version>
+            <version>${jackson.version}</version>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-jdk14</artifactId>
-            <version>1.7.25</version>
+            <version>${org.slf4j.version}</version>
         </dependency>
         <dependency>
             <groupId>org.assertj</groupId>
             <artifactId>assertj-core</artifactId>
-            <version>3.10.0</version>
+            <version>${assertj-core.version}</version>
             <scope>test</scope>
         </dependency>
         
@@ -124,7 +124,7 @@
         <dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-test</artifactId>
-			<version>1.5.10.RELEASE</version>
+			<version>${spring-boot.version}</version>
 			<scope>test</scope>
 		</dependency>
 
@@ -228,6 +228,9 @@
         <httpcore.version>4.4.9</httpcore.version>
         <httpclient.version>4.5.5</httpclient.version>
         <servlet-api-version>4.0.0</servlet-api-version>
+        <wiremock.version>1.58</wiremock.version>
+        <assertj-core.version>3.10.0</assertj-core.version>
+        <spring-boot.version>1.5.10.RELEASE</spring-boot.version>
     </properties>
 
 </project>
diff --git a/spring-mvc-simple/pom.xml b/spring-mvc-simple/pom.xml
index b9ed3a3e81..cdd4a9e13a 100644
--- a/spring-mvc-simple/pom.xml
+++ b/spring-mvc-simple/pom.xml
@@ -22,7 +22,7 @@
         <dependency>
             <groupId>com.sun.mail</groupId>
             <artifactId>javax.mail</artifactId>
-            <version>1.6.1</version>
+            <version>${javax.mail.version}</version>
         </dependency>
         <dependency>
             <groupId>javax.servlet</groupId>
@@ -182,6 +182,7 @@
         <scribejava.version>5.1.0</scribejava.version>
         <json.version>20180130</json.version>
         <apache-tiles.version>3.0.8</apache-tiles.version>
+        <javax.mail.version>1.6.1</javax.mail.version>
     </properties>
 
 </project>
diff --git a/spring-mvc-xml/pom.xml b/spring-mvc-xml/pom.xml
index c6a6da406c..beea8e5ee2 100644
--- a/spring-mvc-xml/pom.xml
+++ b/spring-mvc-xml/pom.xml
@@ -88,7 +88,7 @@
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>
-            <version>1.5.10.RELEASE</version>
+            <version>${spring-boot.version}</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
@@ -118,6 +118,7 @@
 
         <!-- Spring -->
         <org.springframework.version>5.0.2.RELEASE</org.springframework.version>
+        <spring-boot.version>1.5.10.RELEASE</spring-boot.version>
 
         <!-- persistence -->
         <mysql-connector-java.version>5.1.40</mysql-connector-java.version>
diff --git a/spring-reactor/pom.xml b/spring-reactor/pom.xml
index 051244c9db..2d69096c58 100644
--- a/spring-reactor/pom.xml
+++ b/spring-reactor/pom.xml
@@ -27,12 +27,17 @@
         <dependency>
             <groupId>io.projectreactor</groupId>
             <artifactId>reactor-bus</artifactId>
-            <version>2.0.8.RELEASE</version>
+            <version>${reactor.version}</version>
         </dependency>
         <dependency>
             <groupId>io.projectreactor</groupId>
             <artifactId>reactor-core</artifactId>
-            <version>2.0.8.RELEASE</version>
+            <version>${reactor.version}</version>
         </dependency>
     </dependencies>
+
+    <properties>
+        <spring-cloud-sleuth.version>2.0.2.RELEASE</spring-cloud-sleuth.version>
+        <reactor.version>2.0.8.RELEASE</reactor.version>
+    </properties>
 </project>
diff --git a/spring-security-mvc-jsonview/pom.xml b/spring-security-mvc-jsonview/pom.xml
index b6d3e7e399..8fa7b4ffb5 100644
--- a/spring-security-mvc-jsonview/pom.xml
+++ b/spring-security-mvc-jsonview/pom.xml
@@ -20,17 +20,17 @@
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-core</artifactId>
-            <version>2.9.7</version>
+            <version>${jackson.version}</version>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-annotations</artifactId>
-            <version>2.9.7</version>
+            <version>${jackson.version}</version>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.9.7</version>
+            <version>${jackson.version}</version>
         </dependency>
 
         <!-- Spring Security -->
@@ -139,7 +139,7 @@
         <dependency>
             <groupId>com.jayway.jsonpath</groupId>
             <artifactId>json-path</artifactId>
-            <version>2.4.0</version>
+            <version>${json-path.version}</version>
             <scope>test</scope>
         </dependency>
 
@@ -213,6 +213,7 @@
         <!-- Maven plugins -->
         <maven-war-plugin.version>2.6</maven-war-plugin.version>
         <cargo-maven2-plugin.version>1.6.1</cargo-maven2-plugin.version>
+        <json-path.version>2.4.0</json-path.version>
 
     </properties>
 
diff --git a/spring-security-mvc-persisted-remember-me/pom.xml b/spring-security-mvc-persisted-remember-me/pom.xml
index c65b7a30cb..d10565255d 100644
--- a/spring-security-mvc-persisted-remember-me/pom.xml
+++ b/spring-security-mvc-persisted-remember-me/pom.xml
@@ -137,7 +137,7 @@
         <dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-test</artifactId>
-			<version>1.5.10.RELEASE</version>
+			<version>${spring-boot.version}</version>
 			<scope>test</scope>
 		</dependency>
 
@@ -211,7 +211,7 @@
         <!-- Maven plugins -->
         <maven-war-plugin.version>2.6</maven-war-plugin.version>
         <cargo-maven2-plugin.version>1.6.1</cargo-maven2-plugin.version>
-
+        <spring-boot.version>1.5.10.RELEASE</spring-boot.version>
     </properties>
 
 </project>
\ No newline at end of file
diff --git a/spring-security-stormpath/pom.xml b/spring-security-stormpath/pom.xml
index dd6037a22c..6db4b38d80 100644
--- a/spring-security-stormpath/pom.xml
+++ b/spring-security-stormpath/pom.xml
@@ -32,7 +32,7 @@
         <dependency>
             <groupId>com.stormpath.spring</groupId>
             <artifactId>stormpath-default-spring-boot-starter</artifactId>
-            <version>1.5.4</version>
+            <version>${stormpath-spring.version}</version>
         </dependency>
     </dependencies>
 
@@ -60,5 +60,9 @@
             </plugin>
         </plugins>
     </build>
+	
+    <properties>
+        <stormpath-spring.version>1.5.4</stormpath-spring.version>
+    </properties>
 
 </project>
diff --git a/spring-session/spring-session-jdbc/pom.xml b/spring-session/spring-session-jdbc/pom.xml
index a98c4b3429..b46b549ce2 100644
--- a/spring-session/spring-session-jdbc/pom.xml
+++ b/spring-session/spring-session-jdbc/pom.xml
@@ -10,10 +10,6 @@
     <packaging>jar</packaging>
     <description>Spring Session with JDBC tutorial</description>
 
-    <properties>
-        <h2.version>1.4.197</h2.version>
-    </properties>
-
     <parent>
         <artifactId>parent-boot-2</artifactId>
         <groupId>com.baeldung</groupId>
@@ -52,5 +48,8 @@
         </plugins>
     </build>
 
+    <properties>
+        <h2.version>1.4.197</h2.version>
+    </properties>
 
 </project>
\ No newline at end of file
diff --git a/tensorflow-java/pom.xml b/tensorflow-java/pom.xml
index e9d92157e8..f52cd4a68f 100644
--- a/tensorflow-java/pom.xml
+++ b/tensorflow-java/pom.xml
@@ -15,12 +15,6 @@
 		<version>1.0.0-SNAPSHOT</version>
 	</parent>
 
-	<properties>
-		<java.version>1.8</java.version>
-		<tensorflow.version>1.12.0</tensorflow.version>
-		<junit.jupiter.version>5.4.0</junit.jupiter.version>
-	</properties>
-
 	<dependencies>
 		<dependency>
 			<groupId>org.tensorflow</groupId>
@@ -49,4 +43,10 @@
 			</plugin>
 		</plugins>
 	</build>
+
+	<properties>
+		<java.version>1.8</java.version>
+		<tensorflow.version>1.12.0</tensorflow.version>
+		<junit.jupiter.version>5.4.0</junit.jupiter.version>
+	</properties>
 </project>
\ No newline at end of file
diff --git a/testing-modules/load-testing-comparison/pom.xml b/testing-modules/load-testing-comparison/pom.xml
index 63472d0467..44014e96ab 100644
--- a/testing-modules/load-testing-comparison/pom.xml
+++ b/testing-modules/load-testing-comparison/pom.xml
@@ -42,7 +42,7 @@
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.9.4</version>
+            <version>${jackson.version}</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
@@ -68,12 +68,12 @@
         <dependency>
             <groupId>com.h2database</groupId>
             <artifactId>h2</artifactId>
-            <version>1.4.197</version>
+            <version>${h2.version}</version>
         </dependency>
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
-            <version>1.18.2</version>
+            <version>${lombok.version}</version>
             <scope>compile</scope>
         </dependency>
     </dependencies>
@@ -145,6 +145,7 @@
         <jmeter.version>5.0</jmeter.version>
         <grinder.version>3.11</grinder.version>
         <spring.boot.version>2.0.5.RELEASE</spring.boot.version>
+        <h2.version>1.4.197</h2.version>
     </properties>
     
 </project>
\ No newline at end of file
diff --git a/testing-modules/parallel-tests-junit/math-test-functions/pom.xml b/testing-modules/parallel-tests-junit/math-test-functions/pom.xml
index a3569714ef..cc9f27de05 100644
--- a/testing-modules/parallel-tests-junit/math-test-functions/pom.xml
+++ b/testing-modules/parallel-tests-junit/math-test-functions/pom.xml
@@ -18,7 +18,7 @@
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
-			<version>4.12</version>
+			<version>${junit.version}</version>
 			<scope>test</scope>
 		</dependency>
 	</dependencies>
diff --git a/testing-modules/parallel-tests-junit/math-test-functions/src/test/java/com/baeldung/ArithmeticFunctionTest.java b/testing-modules/parallel-tests-junit/math-test-functions/src/test/java/com/baeldung/ArithmeticFunctionUnitTest.java
similarity index 93%
rename from testing-modules/parallel-tests-junit/math-test-functions/src/test/java/com/baeldung/ArithmeticFunctionTest.java
rename to testing-modules/parallel-tests-junit/math-test-functions/src/test/java/com/baeldung/ArithmeticFunctionUnitTest.java
index df0aa695fc..1f048b305f 100644
--- a/testing-modules/parallel-tests-junit/math-test-functions/src/test/java/com/baeldung/ArithmeticFunctionTest.java
+++ b/testing-modules/parallel-tests-junit/math-test-functions/src/test/java/com/baeldung/ArithmeticFunctionUnitTest.java
@@ -4,7 +4,7 @@ import static org.junit.Assert.assertEquals;
 
 import org.junit.Test;
 
-public class ArithmeticFunctionTest {
+public class ArithmeticFunctionUnitTest {
 
     @Test
     public void test_addingIntegers_returnsSum() {
diff --git a/testing-modules/parallel-tests-junit/math-test-functions/src/test/java/com/baeldung/ComparisonFunctionTest.java b/testing-modules/parallel-tests-junit/math-test-functions/src/test/java/com/baeldung/ComparisonFunctionUnitTest.java
similarity index 87%
rename from testing-modules/parallel-tests-junit/math-test-functions/src/test/java/com/baeldung/ComparisonFunctionTest.java
rename to testing-modules/parallel-tests-junit/math-test-functions/src/test/java/com/baeldung/ComparisonFunctionUnitTest.java
index 4f72c87279..839b6c2cf3 100644
--- a/testing-modules/parallel-tests-junit/math-test-functions/src/test/java/com/baeldung/ComparisonFunctionTest.java
+++ b/testing-modules/parallel-tests-junit/math-test-functions/src/test/java/com/baeldung/ComparisonFunctionUnitTest.java
@@ -4,7 +4,7 @@ import static org.junit.Assert.assertEquals;
 
 import org.junit.Test;
 
-public class ComparisonFunctionTest {
+public class ComparisonFunctionUnitTest {
 
     @Test
     public void test_findMax() {
diff --git a/testing-modules/parallel-tests-junit/math-test-functions/src/test/java/com/baeldung/FunctionTestSuite.java b/testing-modules/parallel-tests-junit/math-test-functions/src/test/java/com/baeldung/FunctionTestSuite.java
index 4fe551b365..d12eab5c51 100644
--- a/testing-modules/parallel-tests-junit/math-test-functions/src/test/java/com/baeldung/FunctionTestSuite.java
+++ b/testing-modules/parallel-tests-junit/math-test-functions/src/test/java/com/baeldung/FunctionTestSuite.java
@@ -5,7 +5,7 @@ import org.junit.runners.Suite;
 import org.junit.runners.Suite.SuiteClasses;
 
 @RunWith(Suite.class)
-@SuiteClasses({ ComparisonFunctionTest.class, ArithmeticFunctionTest.class })
+@SuiteClasses({ ComparisonFunctionUnitTest.class, ArithmeticFunctionUnitTest.class })
 public class FunctionTestSuite {
 
 }
diff --git a/testing-modules/parallel-tests-junit/pom.xml b/testing-modules/parallel-tests-junit/pom.xml
index f400a5ae07..993974046c 100644
--- a/testing-modules/parallel-tests-junit/pom.xml
+++ b/testing-modules/parallel-tests-junit/pom.xml
@@ -6,6 +6,13 @@
     <version>0.0.1-SNAPSHOT</version>
     <name>parallel-tests-junit</name>
     <packaging>pom</packaging>
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-java</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../../parent-java</relativePath>
+    </parent>
     
     <modules>
         <module>math-test-functions</module>
diff --git a/testing-modules/parallel-tests-junit/string-test-functions/pom.xml b/testing-modules/parallel-tests-junit/string-test-functions/pom.xml
index 7fa09ff493..b0c0ed29fc 100644
--- a/testing-modules/parallel-tests-junit/string-test-functions/pom.xml
+++ b/testing-modules/parallel-tests-junit/string-test-functions/pom.xml
@@ -18,7 +18,7 @@
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
-			<version>4.12</version>
+			<version>${junit.version}</version>
 			<scope>test</scope>
 		</dependency>
 	</dependencies>
diff --git a/testing-modules/parallel-tests-junit/string-test-functions/src/test/java/com/baeldung/StringFunctionTest.java b/testing-modules/parallel-tests-junit/string-test-functions/src/test/java/com/baeldung/StringFunctionUnitTest.java
similarity index 88%
rename from testing-modules/parallel-tests-junit/string-test-functions/src/test/java/com/baeldung/StringFunctionTest.java
rename to testing-modules/parallel-tests-junit/string-test-functions/src/test/java/com/baeldung/StringFunctionUnitTest.java
index 7f2bc5e5e7..685a33b084 100644
--- a/testing-modules/parallel-tests-junit/string-test-functions/src/test/java/com/baeldung/StringFunctionTest.java
+++ b/testing-modules/parallel-tests-junit/string-test-functions/src/test/java/com/baeldung/StringFunctionUnitTest.java
@@ -4,7 +4,7 @@ import static org.junit.Assert.assertEquals;
 
 import org.junit.Test;
 
-public class StringFunctionTest {
+public class StringFunctionUnitTest {
 
     @Test
     public void test_upperCase() {
diff --git a/testing-modules/testing/pom.xml b/testing-modules/testing/pom.xml
index 2e783b2116..ccfa1070d1 100644
--- a/testing-modules/testing/pom.xml
+++ b/testing-modules/testing/pom.xml
@@ -91,7 +91,7 @@
         <dependency>
             <groupId>com.github.javafaker</groupId>
             <artifactId>javafaker</artifactId>
-            <version>0.15</version>
+            <version>${javafaker.version}</version>
         </dependency>
     </dependencies>
 
@@ -177,6 +177,7 @@
         <lambda-behave.version>0.4</lambda-behave.version>
         <assertj-guava.version>3.0.0</assertj-guava.version>
         <jukito.version>1.5</jukito.version>
+        <javafaker.version>0.15</javafaker.version>
     </properties>
 
 </project>