Skip time-dependent test

(cherry picked from commit 438997b)

Author: msimacek

graalpython/com.oracle.graal.python.test/src/tests/unittest_tags/test_strptime.txt

@@ -35,7 +35,8 @@ test.test_strptime.StrptimeTests.test_percent @ darwin-arm64,darwin-x86_64,linux
 test.test_strptime.StrptimeTests.test_second @ darwin-arm64,darwin-x86_64,linux-aarch64,linux-x86_64,win32-AMD64
 test.test_strptime.StrptimeTests.test_strptime_exception_context @ darwin-arm64,darwin-x86_64,linux-aarch64,linux-x86_64,win32-AMD64
 test.test_strptime.StrptimeTests.test_time @ darwin-arm64,darwin-x86_64,linux-aarch64,linux-x86_64,win32-AMD64
-test.test_strptime.StrptimeTests.test_timezone @ darwin-arm64,darwin-x86_64,win32-AMD64
+# Seems to be dependent on the actual time/date/timezone of the machine, at least on GraalPy. Needs investigation
+!test.test_strptime.StrptimeTests.test_timezone
 test.test_strptime.StrptimeTests.test_unconverteddata @ darwin-arm64,darwin-x86_64,linux-aarch64,linux-x86_64,win32-AMD64
 test.test_strptime.StrptimeTests.test_year @ darwin-arm64,darwin-x86_64,linux-aarch64,linux-x86_64,win32-AMD64
 test.test_strptime.TimeRETests.test_blankpattern @ darwin-arm64,darwin-x86_64,linux-aarch64,linux-x86_64,win32-AMD64