BAEL-701 updated source after review

testng/src/test/java/baeldung/com/SimpleTest.java

@@ -0,0 +1,28 @@
+package baeldung.com;
+
+import org.testng.Assert;
+import org.testng.TestNG;
+import org.testng.annotations.AfterClass;
+import org.testng.annotations.BeforeClass;
+import org.testng.annotations.Test;
+
+public class SimpleTest extends TestNG {
+    private int number;
+
+    @BeforeClass
+    public void setup() {
+        number = 12;
+    }
+
+    @AfterClass
+    public void tearDown() {
+        number = 0;
+    }
+
+    @Test
+    public void givenNumber_whenEven_thenTrue() {
+        Assert.assertTrue(number % 2 == 0);
+    }
+
+}
+

testng/src/test/resources/test_suite.xml

@@ -7,6 +7,7 @@
 	    <classes>
 	        <class name="baeldung.com.RegistrationTest" />
             <class name="baeldung.com.SignInTest" />
+            <class name="baeldung.com.SimpleTest" />
         </classes>
     </test>
 </suite>