Make more unit tests run with Qt 5.7.1 on a newer Linux

pytest.ini

@@ -51,7 +51,8 @@ qt_log_ignore =
     ^Error when parsing the netrc file
     ^Image of format '' blocked because it is not considered safe. If you are sure it is safe to do so, you can white-list the format by setting the environment variable QTWEBKIT_IMAGEFORMAT_WHITELIST=
     ^QPainter::end: Painter ended with \d+ saved states
-    ^QSslSocket: cannot resolve *
+    ^QSslSocket: cannot resolve .*
+    ^QSslSocket: cannot call unresolved function .*
     ^Incompatible version of OpenSSL
     ^QQuickWidget::invalidateRenderControl could not make context current
     ^libpng warning: iCCP: known incorrect sRGB profile

tests/conftest.py

@@ -28,7 +28,7 @@ import warnings
 import sip
 import pytest
 import hypothesis
-from PyQt5.QtCore import PYQT_VERSION
+from PyQt5.QtCore import qVersion, PYQT_VERSION
 
 pytest.register_assert_rewrite('helpers')
 
@@ -151,6 +151,17 @@ def pytest_ignore_collect(path):
     return rel_path == os.path.join('end2end', 'features') and skip_bdd
 
 
+@pytest.fixture(scope='session')
+def qapp_args():
+    """Make QtWebEngine unit tests run on Qt 5.7.1.
+
+    See https://github.com/qutebrowser/qutebrowser/issues/3163
+    """
+    if qVersion() == '5.7.1':
+        return [sys.argv[0], '--disable-seccomp-filter-sandbox']
+    return []
+
+
 @pytest.fixture(scope='session')
 def qapp(qapp):
     """Change the name of the QApplication instance."""