Fix flaky tests

Author: codingjoe

tests/conftest.py

@@ -28,7 +28,7 @@ def random_name(n):
 @pytest.fixture(scope="session")
 def driver():
     chrome_options = webdriver.ChromeOptions()
-    chrome_options.headless = True
+    chrome_options.add_argument("--headless=new")
     try:
         b = webdriver.Chrome(options=chrome_options)
     except WebDriverException as e:

tests/test_forms.py

@@ -53,7 +53,8 @@ def test_lang_attr(self):
 
         # Regression test for #163
         widget = Select2Widget()
-        assert widget.i18n_name == translation.get_language()
+        with translation.override("en"):
+            assert widget.i18n_name == "en"
         with translation.override("de"):
             assert widget.i18n_name == "de"