Disable tests on i386

Installing the dependencies for cross-compilation adds additional
complexity. As longs as the tests run on x86_64, i386 does not
necessarily have to be tested separately.

Author: TheAssassin

.github/workflows/main.yml

@@ -32,12 +32,13 @@ jobs:
         run: |
           sudo dpkg --add-architecture i386
           sudo apt-get update
-          sudo apt-get install -y gcovr libmagic-dev:i386 libjpeg-dev:i386 libpng-dev:i386 libboost-filesystem-dev:i386 libboost-regex-dev:i386 cimg-dev qtbase5-dev:i386 nlohmann-json3-dev gcc-multilib g++-multilib libfuse2:i386
+          sudo apt-get install -y gcovr libmagic-dev:i386 libjpeg-dev:i386 libpng-dev:i386 libboost-filesystem-dev:i386 libboost-regex-dev:i386 cimg-dev nlohmann-json3-dev gcc-multilib g++-multilib libfuse2:i386
 
       - name: Build AppImage
         run: bash -ex ci/build.sh
 
       - name: Test AppImage
+        if: matrix.ARCH != 'i386'
         run: |
           bash -ex ci/build.sh
           bash -ex ci/test.sh linuxdeploy-plugin-qt-"$ARCH".AppImage