Identify pyqt5 515 ci issue (#1221)

* move forward pyvirtualdisplay

* Try installing things per QTBUG-84489

* Debug plugins to 1

* Removing all the other packages, adding libxcb-xfixes0

* adding libxcb-icccm4 per plugin debug

* adding libxcb-image0, restoring pyvirtualdisplay to older version

* now adding libxcb-keysyms1

* libxcb-randr0

* adding libxcb-render-util0

* adding libxcb-xinerama0

* Restore Configs, Properly Name Latest Pipeline

azure-test-template.yml

@@ -26,7 +26,7 @@ jobs:
         python.version: "3.7"
         qt.bindings: "pyside2"
         install.method: "conda"
-      Python38-PyQt-5.14:
+      Python38-PyQt-Latest:
         python.version: '3.8'
         qt.bindings: "PyQt5"
         install.method: "pip"
@@ -124,7 +124,9 @@ jobs:
     displayName: 'Install Wheel'
 
   - bash: |
-      sudo apt-get install -y libxkbcommon-x11-0  # herbstluftwm
+      sudo apt-get install -y libxkbcommon-x11-dev 
+      # workaround for QTBUG-84489
+      sudo apt-get install -y libxcb-xfixes0 libxcb-icccm4 libxcb-image0 libxcb-keysyms1 libxcb-randr0 libxcb-render-util0 libxcb-xinerama0
       if [ $(install.method) == "conda" ]
       then
         source activate test-environment-$(python.version)
@@ -134,6 +136,7 @@ jobs:
     condition: eq(variables['agent.os'], 'Linux' )
 
   - bash: |
+      export QT_DEBUG_PLUGINS=1
       if [ $(install.method) == "conda" ]
       then
         source activate test-environment-$(python.version)