Patch Set 2:

Corrected stack trace  (I had some printouts to test a hypothesis in the previous comment)

java.lang.AssertionError: expected:<OK> but was:<UP_TO_DATE>
	at org.junit.Assert.fail(Assert.java:91)
	at org.junit.Assert.failNotEquals(Assert.java:645)
	at org.junit.Assert.assertEquals(Assert.java:126)
	at org.junit.Assert.assertEquals(Assert.java:145)
	at org.eclipse.egit.core.test.op.PushOperationTest.testPush(PushOperationTest.java:159)