Update axe-core to 3.3.2 (#174)

* Update axe-core to 3.3.2

- used integrity value from https://github.com/pa11y/pa11y-runner-axe/blob/master/package-lock.json

* fix tests for firefox and chrome drivers

Author: gtritchie

README.rst

@@ -3,7 +3,7 @@ axe-selenium-python
 
 axe-selenium-python integrates aXe and selenium to enable automated web accessibility testing.
 
-**This version of axe-selenium-python is using axe-core@3.1.2.**
+**This version of axe-selenium-python is using axe-core@3.3.2.**
 
 .. image:: https://img.shields.io/badge/license-MPL%202.0-blue.svg
    :target: https://github.com/mozilla-services/axe-selenium-python/blob/master/LICENSE.txt

axe_selenium_python/package-lock.json

@@ -40,7 +40,7 @@ def test_run_axe_sample_page_firefox(firefox_driver):
     """Run axe against sample page and verify JSON output is as expected."""
     data = _perform_axe_run(firefox_driver)
 
-    assert len(data["inapplicable"]) == 50
+    assert len(data["inapplicable"]) == 60
     assert len(data["incomplete"]) == 0
     assert len(data["passes"]) == 7
     assert len(data["violations"]) == 8
@@ -51,7 +51,7 @@ def test_run_axe_sample_page_chrome(chrome_driver):
     """Run axe against sample page and verify JSON output is as expected."""
     data = _perform_axe_run(chrome_driver)
 
-    assert len(data["inapplicable"]) == 50
+    assert len(data["inapplicable"]) == 60
     assert len(data["incomplete"]) == 0
     assert len(data["passes"]) == 7
     assert len(data["violations"]) == 8