final IFileHistory history = historyProvider.getFileHistoryFor(iFile1,
IFileHistoryProvider.NONE, new NullProgressMonitor());
assertNotNull(history);
final IFileRevision[] revisions = history.getFileRevisions();
IFileRevision branchFileRevision1 = null;
IFileRevision masterFileRevision3 = null;
IFileRevision masterFileRevision1 = null;
for (IFileRevision revision : revisions) {
final String revisionId = revision.getContentIdentifier();
if (branchCommit1.getName().equals(revisionId))
branchFileRevision1 = revision;
else if (masterCommit3.getName().equals(revisionId))