[wdspec] Wait for 100ms in release_actions fixture

This allows to avoid relatively frequent failures on mozilla's windows CI

Differential Revision: https://phabricator.services.mozilla.com/D209333

bugzilla-url: https://bugzilla.mozilla.org/show_bug.cgi?id=1879556
gecko-commit: 60bd84a99544c65635a66686db7aeda2500e6ae9
gecko-reviewers: webdriver-reviewers, whimboo

webdriver/tests/classic/perform_actions/conftest.py

@@ -1,4 +1,5 @@
 import pytest
+import time
 
 from webdriver.error import NoSuchWindowException
 
@@ -59,10 +60,21 @@ def wheel_chain(session):
 
 
 @pytest.fixture(autouse=True)
-def release_actions(session, request):
+def release_actions(session):
     # release all actions after each test
     # equivalent to a teardown_function, but with access to session fixture
-    request.addfinalizer(session.actions.release)
+    yield
+
+    # Avoid frequent intermittent failures on Mozilla Windows CI with
+    # perform_actions tests:
+    # https://bugzilla.mozilla.org/show_bug.cgi?id=1879556
+    if (
+        session.capabilities["browserName"] == "firefox"
+        and session.capabilities["platformName"] == "windows"
+    ):
+        time.sleep(0.1)
+
+    session.actions.release()
 
 
 @pytest.fixture

webdriver/tests/support/fixtures.py

@@ -64,7 +64,7 @@ def full_configuration():
 
     host - WebDriver server host.
     port -  WebDriver server port.
-    capabilites - Capabilites passed when creating the WebDriver session
+    capabilities - Capabilities passed when creating the WebDriver session
     timeout_multiplier - Multiplier for timeout values
     webdriver - Dict with keys `binary`: path to webdriver binary, and
                 `args`: Additional command line arguments passed to the webdriver