Add --tz param missed in C unit test migration.

This was missed in the C unit test migration and since then a new test was added that was not setting its timezone correctly.

This feature exists to make sure the tests will run on systems with different timezones and has no impact on the core code.

test/lib/pgBackRestTest/Common/JobTest.pm

@@ -264,6 +264,7 @@ sub run
                         " --log-level=$self->{strLogLevel}" . ' --vm=' . $self->{oTest}->{&TEST_VM} .
                         ' --vm-id=' . $self->{iVmIdx} . ($self->{bProfile} ? ' --profile' : '') .
                         ($self->{bLogTimestamp} ? '' : ' --no-log-timestamp') .
+                        ($self->{strTimeZone} ? " --tz='$self->{strTimeZone}'" : '') .
                         ($self->{bBackTraceUnit} ? '' : ' --no-back-trace') . ($bCoverage ? '' : ' --no-coverage') . ' test ' .
                         $self->{oTest}->{&TEST_MODULE} . '/' . $self->{oTest}->{&TEST_NAME} . " && \\\n" .
                     # Allow stderr to be copied to stderr and stdout

test/src/module/command/manifestTest.c

@@ -22,6 +22,9 @@ testRun(void)
 {
     FUNCTION_HARNESS_VOID();
 
+    // The tests expect the timezone to be UTC
+    setenv("TZ", "UTC", true);
+
     // Install local command handler shim
     static const ProtocolServerHandler testLocalHandlerList[] = {PROTOCOL_SERVER_HANDLER_BACKUP_LIST};
     hrnProtocolLocalShimInstall(testLocalHandlerList, LENGTH_OF(testLocalHandlerList));