SmartClientSmartServerTest: Stop using deprecated Repository#hasObject

Change-Id: I75d1105934aeaac89476603e15cf642a65a3acbe
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>

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

 	@Test
 	public void testFetchBySHA1() throws Exception {
 		Repository dst = createBareRepository();
-		assertFalse(dst.hasObject(A_txt));
+		assertFalse(dst.getObjectDatabase().has(A_txt));
 
 		try (Transport t = Transport.open(dst, remoteURI)) {
 			t.fetch(NullProgressMonitor.INSTANCE,
 					Collections.singletonList(new RefSpec(B.name())));
 		}
 
-		assertTrue(dst.hasObject(A_txt));
+		assertTrue(dst.getObjectDatabase().has(A_txt));
 	}
 
 	@Test
 	public void testFetchBySHA1Unreachable() throws Exception {
 		Repository dst = createBareRepository();
-		assertFalse(dst.hasObject(A_txt));
+		assertFalse(dst.getObjectDatabase().has(A_txt));
 
 		try (Transport t = Transport.open(dst, remoteURI)) {
 			thrown.expect(TransportException.class);
 	public void testFetchBySHA1UnreachableByAdvertiseRefsHook()
 			throws Exception {
 		Repository dst = createBareRepository();
-		assertFalse(dst.hasObject(A_txt));
+		assertFalse(dst.getObjectDatabase().has(A_txt));
 
 		advertiseRefsHook = new AbstractAdvertiseRefsHook() {
 			@Override