Fix int tests (#2607)

* Rename JdbcIntegrationTest to JdbcLiveTest

* Rename JdbcIntegrationTest to JdbcLiveTest

* Rename JdbcIntegrationTest to JdbcLiveTest

* Rename Integration tests to Live tests

* Turn off benchmarks

core-java/pom.xml

@@ -416,7 +416,8 @@
                         <executions>
                             <execution>
                                 <id>run-benchmarks</id>
-                                <phase>integration-test</phase>
+                            <!--    <phase>integration-test</phase>-->
+                                <phase>none</phase>
                                 <goals>
                                     <goal>exec</goal>
                                 </goals>

core-java/src/test/java/com/baeldung/java/nio/selector/NioEchoLiveTest.java

@@ -8,10 +8,10 @@ import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 
-public class NioEchoIntegrationTest {
+public class NioEchoLiveTest {
 
-    Process server;
-    EchoClient client;
+    private Process server;
+    private EchoClient client;
 
     @Before
     public void setup() throws IOException, InterruptedException {

core-java/src/test/java/com/baeldung/networking/udp/UDPLiveTest.java

@@ -9,7 +9,7 @@ import java.io.IOException;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 
-public class UDPIntegrationTest {
+public class UDPLiveTest {
     private EchoClient client;
 
     @Before

core-java/src/test/java/com/baeldung/printscreen/ScreenshotLiveTest.java

@@ -7,7 +7,7 @@ import java.io.File;
 
 import static org.junit.Assert.assertTrue;
 
-public class ScreenshotIntegrationTest {
+public class ScreenshotLiveTest {
 
     private Screenshot screenshot = new Screenshot("Screenshot.jpg");
     private File file = new File("Screenshot.jpg");