Set parameter name in parameterized http tests

This shows the class name of the HTTP factory used in each test run.

Change-Id: I7c1df20f0e138dc7e3120fe87e80d40ab17dd8c8
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/AllFactoriesHttpTestCase.java

 @RunWith(Parameterized.class)
 public abstract class AllFactoriesHttpTestCase extends HttpTestCase {
 
-	@Parameters
+	@Parameters(name = "{0}")
 	public static Collection<Object[]> data() {
 		// run all tests with both connection factories we have
-		return Arrays
-				.asList(new Object[][] { { new JDKHttpConnectionFactory() },
-						{ new HttpClientConnectionFactory() } });
+		return Arrays.asList(new Object[][] { { new JDKHttpConnectionFactory() {
+			@Override
+			public String toString() {
+				return this.getClass().getSuperclass().getName();
+			}
+		} }, { new HttpClientConnectionFactory() {
+			@Override
+			public String toString() {
+				return this.getClass().getSuperclass().getName();
+			}
+		} } });
 	}
 
 	protected AllFactoriesHttpTestCase(HttpConnectionFactory cf) {