[test|settings] Make the refresh timeout configurable, default is 10s

This is used in scheduling tests were the database can be modified
from outside processes.

beat/web/settings/test.py

@@ -49,6 +49,8 @@ DATABASES["default"]["TEST"] = {"NAME": DATABASES["default"]["NAME"]}  # noqa
 DATABASES["default"]["OPTIONS"]["timeout"] = 30  # noqa
 DATABASES["default"]["ATOMIC_REQUESTS"] = True  # noqa
 
+# Timeout used in test when waiting for an update
+DB_REFRESH_TIMEOUT = int(os.environ.get("DB_REFRESH_TIMEOUT", 10))
 
 if "beat.cmdline" in sys.argv:
     # make it in-memory for cmdline app tests

beat/web/utils/tests/test_scheduling.py

@@ -144,7 +144,7 @@ class TestSchedulerBase(TransactionTestCase, BackendUtilitiesMixin):
         self.workers = {}
 
         self.command_verbosity = 3
-        self.timeout = 10  # Failure timeout
+        self.timeout = settings.DB_REFRESH_TIMEOUT  # Failure timeout
 
     @classmethod
     def setUpTestData(cls):