Add shell

.github/actions/automatic-test/action.yml

@@ -3,16 +3,17 @@ description: 'Check for obvious errors.'
 
 runs:
   using: "composite"
-  shell: bash
   steps:
   - uses: actions/checkout@v2
   - uses: ./.github/actions/build-love
     with:
       file-path: Techmino.love
   - name: Download love
+    shell: bash
     run: |
       curl -L https://github.com/love2d/love/releases/download/11.3/love-11.3-linux-x86_64.tar.gz | tar xz
   - name: Prepare PulseAudio
+    shell: bash
     run: |
       sudo apt-get update
       sudo apt-get install pulseaudio pulseaudio-utils pavucontrol alsa-oss alsa-utils -y
@@ -26,6 +27,7 @@ runs:
           exit 1 # xvfb seems to return 0 even if the test failed
         fi
   - name: Finish
+    shell: bash
     run: |
       if [ -f .github/workflows/automatic-test/result.txt ]; then
         exit 0