Fix URIish tests to contain a hostname for git protocol

URIs for the git protocol have to have a hostname.
(see http://www.kernel.org/pub/software/scm/git/docs
/git-clone.html#_git_urls_a_id_urls_a) Some tests tested
URIs like git:/abc.git which is not allowed. Fixed this.

Change-Id: Ia3b8b681ad6592f03b090a874a6e91068a8301fe
Signed-off-by: Christian Halstrick <christian.halstrick@sap.com>

org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/URIishTest.java

@@ -356,7 +356,8 @@ public class URIishTest extends TestCase {
 
 	public void testGetValidSlashHumanishName()
 			throws IllegalArgumentException, URISyntaxException {
-		String humanishName = new URIish(GIT_SCHEME + "abc/").getHumanishName();
+		String humanishName = new URIish(GIT_SCHEME + "host/abc/")
+				.getHumanishName();
 		assertEquals("abc", humanishName);
 	}
 
@@ -394,7 +395,7 @@ public class URIishTest extends TestCase {
 
 	public void testGetValidDotGitSlashHumanishName()
 			throws IllegalArgumentException, URISyntaxException {
-		String humanishName = new URIish(GIT_SCHEME + "abc.git/")
+		String humanishName = new URIish(GIT_SCHEME + "host.xy/abc.git/")
 				.getHumanishName();
 		assertEquals("abc", humanishName);
 	}