diff --git a/tests/helpers/fixtures.py b/tests/helpers/fixtures.py
index 09d1baf1c..c87301cae 100644
--- a/tests/helpers/fixtures.py
+++ b/tests/helpers/fixtures.py
@@ -219,7 +219,7 @@ def qnam(qapp):
 
 @pytest.fixture
 def webengineview():
-    """Get a QWebEngineView if QtWebEngine is available"""
+    """Get a QWebEngineView if QtWebEngine is available."""
     if QtWebEngineWidgets is None:
         pytest.skip("QtWebEngine unavailable")
     return QtWebEngineWidgets.QWebEngineView()
diff --git a/tests/unit/browser/test_qt_javascript.py b/tests/unit/browser/test_qt_javascript.py
index b1745c1a5..ca40863db 100644
--- a/tests/unit/browser/test_qt_javascript.py
+++ b/tests/unit/browser/test_qt_javascript.py
@@ -17,7 +17,7 @@
 # You should have received a copy of the GNU General Public License
 # along with qutebrowser.  If not, see <http://www.gnu.org/licenses/>.
 
-"""Check how Qt behaves when trying to execute JS"""
+"""Check how Qt behaves when trying to execute JS."""
 
 
 import pytest
@@ -49,7 +49,7 @@ class WebEngineJSChecker(QObject):
 
 @pytest.mark.parametrize('js_enabled, expected', [(True, 2.0), (False, None)])
 def test_simple_js_webkit(webview, js_enabled, expected):
-    """With QtWebKit, evaluateJavaScript works when JS is on"""
+    """With QtWebKit, evaluateJavaScript works when JS is on."""
     webview.settings().setAttribute(QWebSettings.JavascriptEnabled, js_enabled)
     result = webview.page().mainFrame().evaluateJavaScript('1 + 1')
     assert result == expected
@@ -57,7 +57,7 @@ def test_simple_js_webkit(webview, js_enabled, expected):
 
 @pytest.mark.parametrize('js_enabled, expected', [(True, 2.0), (False, 2.0)])
 def test_element_js_webkit(webview, js_enabled, expected):
-    """With QtWebKit, evaluateJavaScript on an element works with JS off"""
+    """With QtWebKit, evaluateJavaScript on an element works with JS off."""
     webview.settings().setAttribute(QWebSettings.JavascriptEnabled, js_enabled)
     elem = webview.page().mainFrame().documentElement()
     result = elem.evaluateJavaScript('1 + 1')
@@ -66,7 +66,7 @@ def test_element_js_webkit(webview, js_enabled, expected):
 
 @pytest.mark.parametrize('js_enabled, expected', [(True, 2.0), (False, 2.0)])
 def test_simple_js_webengine(qtbot, webengineview, js_enabled, expected):
-    """With QtWebEngine, runJavaScript works even when JS is off"""
+    """With QtWebEngine, runJavaScript works even when JS is off."""
     # pylint: disable=no-name-in-module
     # If we get there (because of the webengineview fixture) we can be certain
     # QtWebEngine is available