Some default locale(s) don't match.
Default Locale expected: en_US_#u-ca-japanese, result: en_US_#u-ca-japanese
Default Format Locale expected: en_US_#u-ca-japanese, result: en_AF_#u-ca-japanese
Default Display Locale expected: en_US_#u-ca-japanese, result: en_AF_#u-ca-japanese

test SystemPropertyTests.runTest("-Duser.extensions=u-ca-japanese", "en_US_#u-ca-japanese", "en_US_#u-ca-japanese", "en_US_#u-ca-japanese"): failure
java.lang.AssertionError: expected [true] but found [false]
at org.testng.Assert.fail(Assert.java:94)
at org.testng.Assert.failNotEquals(Assert.java:496)
at org.testng.Assert.assertTrue(Assert.java:42)
at org.testng.Assert.assertTrue(Assert.java:52)
at SystemPropertyTests.runTest(SystemPropertyTests.java:98)