fix assumption ii

Author: diegomarquezp

google-http-client/src/test/java/com/google/api/client/http/javanet/NetHttpTransportTest.java

@@ -37,12 +37,15 @@
 import java.util.concurrent.Executors;
 import junit.framework.TestCase;
 import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
 
 /**
  * Tests {@link NetHttpTransport}.
  *
  * @author Yaniv Inbar
  */
+@RunWith(JUnit4.class)
 public class NetHttpTransportTest extends TestCase {
 
   private static final String[] METHODS = {