fix prefs; lint unlinted test

Author: ben-c-at-moz

tests/address_bar_and_search/test_google_search_counts_us.py

@@ -8,6 +8,13 @@
 from modules.util import Utilities
 
 
+@pytest.fixture()
+def add_prefs():
+    return [
+        ("browser.search.region", "US"),
+    ]
+
+
 # unstable: for some reason cannot pass in Taskcluster Linux VM
 @pytest.mark.unstable
 def test_google_search_counts_us(driver: Firefox):

tests/find_toolbar/test_find_in_pdf.py

@@ -1,8 +1,4 @@
-import logging
-from time import sleep
-
 from selenium.webdriver import Firefox
-from selenium.webdriver.common.keys import Keys
 
 from modules.browser_object import FindToolbar
 from modules.page_base import BasePage