CI: sleep BEFORE write_control in playwright race test (sleep after write does not change file mtime, so previous fix could not work; runner mtime lags wall clock ~1ms)

cloud/tests/test_playwright_bridge.py

@@ -170,13 +170,15 @@ class BridgeTestCase(unittest.TestCase):
         state, _ = read_state(self.tmp.name)
         self.assertEqual(effective_holder(self.tmp.name, state),
                          "agent")
-        write_control(self.tmp.name, "user")
         # Gitea runner filesystem mtime lags wall clock by ~1ms
         # (measured 0.2-1.0ms in runner container), so a
         # back-to-back write can appear older than updated_at.
-        # Wait out the lag; the test's intent is "newer control
-        # wins", not "same-millisecond writes are ordered".
+        # Sleep BEFORE writing, so the control file is genuinely
+        # newer (sleeping after the write does not change its
+        # mtime). The test's intent is "newer control wins",
+        # not "same-millisecond writes are ordered".
         time.sleep(0.05)
+        write_control(self.tmp.name, "user")
         self.assertEqual(effective_holder(self.tmp.name, state),
                          "user")
         # Once the MCP polls, the state file catches up and both