Rename TRexClientTest in test source folder to avoid naming conflict

with class in e2e-test folder

Signed-off-by: Leo Ma <[email protected]>

Author: leomaatEric

src/test/java/com/cisco/trex/stateless/TRexClientTest.java renamed to src/test/java/com/cisco/trex/stateless/TRexClientMethodsTest.java

@@ -21,7 +21,7 @@
 import org.mockito.Mockito;
 
 @SuppressWarnings("javadoc")
-public class TRexClientTest {
+public class TRexClientMethodsTest {
 
   private static TRexTransport transport = Mockito.mock(TRexTransport.class);
   private static TRexClient client;