ChangelogNormalizeRestoreTest.testRestore failure

Apr 03 22:57:43 22:57:43.159 [ERROR] Failures: 
Apr 03 22:57:43 22:57:43.160 [ERROR]   ChangelogNormalizeRestoreTest>RestoreTestBase.testRestore:337 
Apr 03 22:57:43 Expecting actual:
Apr 03 22:57:43   ["+I[two, 2, b]",
Apr 03 22:57:43     "+I[one, 1, a]",
Apr 03 22:57:43     "+I[three, 3, c]",
Apr 03 22:57:43     "-U[one, 1, a]",
Apr 03 22:57:43     "+U[one, 1, aa]",
Apr 03 22:57:43     "-U[three, 3, c]",
Apr 03 22:57:43     "+U[three, 3, cc]",
Apr 03 22:57:43     "-D[two, 2, b]",
Apr 03 22:57:43     "+I[four, 4, d]",
Apr 03 22:57:43     "+I[five, 5, e]",
Apr 03 22:57:43     "-U[four, 4, d]",
Apr 03 22:57:43     "+U[four, 4, dd]"]
Apr 03 22:57:43 to contain exactly in any order:
Apr 03 22:57:43   ["+I[one, 1, a]",
Apr 03 22:57:43     "+I[two, 2, b]",
Apr 03 22:57:43     "-U[one, 1, a]",
Apr 03 22:57:43     "+U[one, 1, aa]",
Apr 03 22:57:43     "+I[three, 3, c]",
Apr 03 22:57:43     "-D[two, 2, b]",
Apr 03 22:57:43     "-U[three, 3, c]",
Apr 03 22:57:43     "+U[three, 3, cc]",
Apr 03 22:57:43     "+I[four, 4, d]",
Apr 03 22:57:43     "+I[five, 5, e]",
Apr 03 22:57:43     "-U[four, 4, d]",
Apr 03 22:57:43     "+U[four, 4, dd]",
Apr 03 22:57:43     "+I[six, 6, f]",
Apr 03 22:57:43     "-D[six, 6, f]"]
Apr 03 22:57:43 but could not find the following elements:
Apr 03 22:57:43   ["+I[six, 6, f]", "-D[six, 6, f]"]
Apr 03 22:57:43