added parameterized test in SampleTest.java

src/test/java/SampleTest.java

 import junit.framework.AssertionFailedError;
 import junit.framework.Test;
 import junit.framework.TestResult;
+import org.junit.runners.Parameterized;
+
+import java.util.Arrays;
+import java.util.Collection;
 
 import static org.junit.Assert.*;
 
@@ -39,6 +43,11 @@ public class SampleTest extends TestResult {
         throw new ArithmeticException("some error happened");
     }
 
+    @Parameterized.Parameters
+    public static Collection primeNumbers() {
+        return Arrays.asList(new Object[][] {
+                { 2, true },{ 6, false },{ 19, true },{ 22, false },{ 23, true }});
+    }
 
     public synchronized void stop() {
         // stop test here
@@ -47,13 +56,3 @@ public class SampleTest extends TestResult {
 }
 
 
-
-//public class SampleTest {
-//    int a = 10;
-//    int b = 20;
-//
-//    @Test
-//    public void testAdd() {
-//        assertEquals( (a + b), 30 );
-//    }
-//}