ci: Use proper image for Qt 6 bleeding tests

.github/workflows/bleeding.yml

@@ -12,23 +12,25 @@ jobs:
     if: "github.repository == 'qutebrowser/qutebrowser'"
     runs-on: ubuntu-20.04
     timeout-minutes: 45
-    container:
-      image: "qutebrowser/ci:archlinux-webengine-unstable"
-      env:
-        FORCE_COLOR: "1"
-        PY_COLORS: "1"
-        DOCKER: "archlinux-webengine-unstable"
-        CI: true
-      volumes:
-        # Hardcoded because we can't use ${{ runner.temp }} here apparently.
-        - /home/runner/work/_temp/:/home/runner/work/_temp/
-      options: --privileged --tty
     strategy:
       fail-fast: false
       matrix:
         include:
           - testenv: bleeding
+            image: "archlinux-webengine-unstable-qt6"
           - testenv: bleeding-qt5
+            image: "archlinux-webengine-unstable"
+    container:
+      image: "qutebrowser/ci:${{ matrix.image }}"
+      env:
+        FORCE_COLOR: "1"
+        PY_COLORS: "1"
+        DOCKER: "${{ matrix.image }}"
+        CI: true
+      volumes:
+        # Hardcoded because we can't use ${{ runner.temp }} here apparently.
+        - /home/runner/work/_temp/:/home/runner/work/_temp/
+      options: --privileged --tty
     steps:
       - uses: actions/checkout@v3
         with:

scripts/dev/ci/docker/Dockerfile.j2

@@ -18,7 +18,6 @@ RUN pacman -Su --noconfirm \
         qt6-webengine python-pyqt6-webengine \
       {% else %}{{ 1/0 }}{% endif %}
       python-pyqt6 \
-      xcb-util-cursor \
     {% else %}
       qt5-base \
       qt5-declarative \

tox.ini

@@ -67,13 +67,12 @@ basepython = {env:PYTHON:python3}
 setenv =
     qt5: PYTEST_QT_API=pyqt5
     qt5: QUTE_QT_WRAPPER=PyQt5
-    QT_DEBUG_PLUGINS=1
 pip_pre = true
 deps = -r{toxinidir}/misc/requirements/requirements-tests-bleeding.txt
 commands_pre =
     qt5: pip install --index-url https://www.riverbankcomputing.com/pypi/simple/ --pre --upgrade PyQt5 PyQtWebEngine
     !qt5: pip install --index-url https://www.riverbankcomputing.com/pypi/simple/ --pre --upgrade PyQt6 PyQt6-WebEngine
-commands = {envpython} -bb -m pytest {posargs:tests} -s
+commands = {envpython} -bb -m pytest {posargs:tests}
 
 # other envs