Use non-deprecated API for obtaining UTC time

DeprecationWarning: datetime.datetime.utcnow() is deprecated and
scheduled for removal in a future version. Use timezone-aware objects to
represent datetimes in UTC: datetime.datetime.now(datetime.UTC).

Change-Id: Ia2c46fb87c544d98cc2dd68a829f67d4770b479c
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/386615
Tested-by: Łukasz Patron <priv.luk@gmail.com>
Reviewed-by: Mike Frysinger <vapier@google.com>
Reviewed-by: Łukasz Patron <priv.luk@gmail.com>
Commit-Queue: Mike Frysinger <vapier@google.com>

2 files changed, 6 insertions, 2 deletions

diff --git a/tests/test_git_superproject.py b/tests/test_git_superproject.py
index dc46ec65..600b069f 100644
--- a/tests/test_git_superproject.py
+++ b/tests/test_git_superproject.py
@@ -108,7 +108,9 @@ class SuperprojectTestCase(unittest.TestCase):
             self.assertRegex(log_entry["sid"], self.FULL_SID_REGEX)
         else:
             self.assertRegex(log_entry["sid"], self.SELF_SID_REGEX)
-        self.assertRegex(log_entry["time"], r"^\d+-\d+-\d+T\d+:\d+:\d+\.\d+Z$")
+        self.assertRegex(
+            log_entry["time"], r"^\d+-\d+-\d+T\d+:\d+:\d+\.\d+\+00:00$"
+        )
 
     def readLog(self, log_path):
         """Helper function to read log data into a list."""
diff --git a/tests/test_git_trace2_event_log.py b/tests/test_git_trace2_event_log.py
index 9d4f24c3..d8e963dd 100644
--- a/tests/test_git_trace2_event_log.py
+++ b/tests/test_git_trace2_event_log.py
@@ -90,7 +90,9 @@ class EventLogTestCase(unittest.TestCase):
             self.assertRegex(log_entry["sid"], self.FULL_SID_REGEX)
         else:
             self.assertRegex(log_entry["sid"], self.SELF_SID_REGEX)
-        self.assertRegex(log_entry["time"], r"^\d+-\d+-\d+T\d+:\d+:\d+\.\d+Z$")
+        self.assertRegex(
+            log_entry["time"], r"^\d+-\d+-\d+T\d+:\d+:\d+\.\d+\+00:00$"
+        )
 
     def readLog(self, log_path):
         """Helper function to read log data into a list."""