deflake sync suite (#101)

* finish setup if possible

* take screenshot

* no screenshot

* no screenshot

* docs

* papercut

* screenshot

* add more screenshots

* force restart CI

* remove screenshots

* force context

* force restart CI w/ screenshots

* force restart CI w/ one screenshot

Author: ben-c-at-moz

tests/sync_and_fxa/test_existing_fxa.py

@@ -20,10 +20,14 @@ def fxa_test_account():
     return ("[email protected]", "Test123???")
 
 
-@pytest.mark.unstable
 def test_sync_existing_fxa(
-    driver: Firefox, fxa_test_account: Tuple[str, str], restmail_session, get_otp_code
+    driver: Firefox,
+    fxa_test_account: Tuple[str, str],
+    restmail_session,
+    get_otp_code,
+    screenshot,
 ):
+    """C131098: User is able to log in with existing FxAccount"""
     (username, password) = fxa_test_account
     panel_ui = PanelUi(driver)
     panel_ui.click_sync_sign_in_button()
@@ -40,4 +44,6 @@ def test_sync_existing_fxa(
         fxa.fill_otp_code(otp)
     except (NoSuchElementException, TimeoutException):
         pass
+    with driver.context(driver.CONTEXT_CHROME):
+        screenshot("test_sync_existing_fxa_chrome")
     panel_ui.confirm_sync_in_progress()