Bugfix/lint workflow (CloudPirates-io#366)

* Fix invalid caching in github workflow

* fix invalid testing script

* Fix unit tests yet again

* hofixes

* Disavle unit test for clusterpirate

* Fix if statement not found

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Signed-off-by: Finn Rades <64548817+zOnlyKroks@users.noreply.github.com>

Author: zOnlyKroks

.github/workflows/pull-request.yaml

@@ -77,7 +77,7 @@ jobs:
 
       - name: Run chart testing (lint & unittest)
         if: steps.list-changed.outputs.changed == 'true'
-        run: ct lint --target-branch ${{ github.event.repository.default_branch }} --validate-maintainers=false --additional-commands "if [ ! -f {{ .Path }}/.disable-unittest ]; then helm unittest {{ .Path }}; else echo 'Skipping unittest for {{ .Path }} (.disable-unittest found)'; fi"
+        run: ct lint --target-branch ${{ github.event.repository.default_branch }} --validate-maintainers=false --additional-commands "sh -c 'if [ ! -f {{ .Path }}/.disable-unittest ]; then helm unittest {{ .Path }}; else echo \"Skipping unittest for {{ .Path }} (.disable-unittest found)\"; fi'"
 
   integration-test:
     runs-on: ubuntu-latest