Increase timeout to improve test reliability

tests/tests/test_database_backend.py

@@ -1177,7 +1177,7 @@ def test_negative_age(self) -> None:
     }
 )
 class DatabaseWorkerProcessTestCase(TransactionTestCase):
-    WORKER_STARTUP_TIME = 0.5
+    WORKER_STARTUP_TIME = 1
 
     def setUp(self) -> None:
         self.processes: List[subprocess.Popen] = []
@@ -1188,7 +1188,7 @@ def tearDown(self) -> None:
             for process in self.processes:
                 if process.poll() is None:
                     process.kill()
-                    time.sleep(0.01)
+                    time.sleep(0.1)
 
     def start_worker(
         self, args: Optional[List[str]] = None, debug: bool = False
@@ -1366,7 +1366,7 @@ def test_multiple_workers(self) -> None:
 
         for process in self.processes:
             process.terminate()
-            process.wait(timeout=3)
+            process.wait(timeout=5)
             self.assertIsNotNone(process.returncode)
 
         for result in results: