HG: Fix weird file names slurp test on BEAC

This is currently failing and commented out. Gets this error:

java.lang.Exception: Problem with slurp - Repository index failed due to error - class com.atlassian.fisheye.dvcs.handler.DvcsProcessException: Error while communicating with VCS: ????c????????e??oa?a: No such file in rev 8de7550ee45b
java.lang.Exception: Problem with slurp - Repository index failed due to error - class com.atlassian.fisheye.dvcs.handler.DvcsProcessException: Error while communicating with VCS: ????c????????e??oa?a: No such file in rev 8de7550ee45b

at com.atlassian.fisheye.hg.HgTestHarness.slurpFromDump(HgTestHarness.java:49)
at com.atlassian.fisheye.hg.HgTestBase.setUp(HgTestBase.java:25)
at com.atlassian.fisheye.hg.HgSlurpTest.setUp(HgSlurpTest.java:56)