UTC timezone used for CI testing

tests/foreman/api/test_reporttemplates.py

@@ -1122,7 +1122,7 @@ def test_positive_applied_errata_by_install_date(
 ):
     """Generate two Applied Errata reports, for Today and Yesterday,
         specifying the SINCE and UP-TO date fields, when the erratum
-        were installed (local time).
+        were installed (UTC for CI testing).
 
     :id: 33f5abfd-16dd-4f2e-a9c2-c1ce3aaa33d6
 
@@ -1187,15 +1187,15 @@ def test_positive_applied_errata_by_install_date(
         .search(query={'search': 'name="Host - Applied Errata"'})[0]
         .read()
     )
-    # Generate a report for Today and Yesterday
-    today_local = (datetime.now() - timedelta(minutes=5)).strftime('%Y-%m-%d %H:%M:%S')
-    yesterday_local = (datetime.now() - timedelta(days=1)).strftime('%Y-%m-%d %H:%M:%S')
+    # Generate a report for Today and Yesterday (UTC)
+    today_utc = (datetime.utcnow() - timedelta(minutes=15)).strftime('%Y-%m-%d %H:%M:%S')
+    yesterday_utc = (datetime.utcnow() - timedelta(days=1)).strftime('%Y-%m-%d %H:%M:%S')
     report_today = rt.generate(
         data={
             'organization_id': module_org.id,
             'report_format': 'json',
             'input_values': {
-                'Since': today_local,
+                'Since': today_utc,
                 'Filter Errata Type': 'all',
                 'Include Last Reboot': 'no',
                 'Status': 'all',
@@ -1213,7 +1213,7 @@ def test_positive_applied_errata_by_install_date(
             'organization_id': module_org.id,
             'report_format': 'json',
             'input_values': {
-                'Up to': yesterday_local,
+                'Up to': yesterday_utc,
                 'Filter Errata Type': 'all',
                 'Include Last Reboot': 'no',
                 'Status': 'all',