e2e: add nop payload to only test infra creation

Signed-off-by: Paul Meyer <49727155+katexochen@users.noreply.github.com>

.github/actions/e2e_test/action.yml

@@ -40,7 +40,7 @@ inputs:
     description: "The resource group to use"
     required: false
   test:
-    description: "The test to run. Can currently be one of [sonobuoy full, sonobuoy quick, autoscaling]."
+    description: "The test to run. Can currently be one of [sonobuoy full, sonobuoy quick, autoscaling, nop]."
     required: true
   sonobuoyTestSuiteCmd:
     description: "The sonobuoy test suite to run."
@@ -50,7 +50,7 @@ runs:
   using: "composite"
   steps:
     - name: Check input
-      if: ${{ !contains(fromJson('["sonobuoy full", "sonobuoy quick", "autoscaling"]'), inputs.test) }}
+      if: ${{ !contains(fromJson('["sonobuoy full", "sonobuoy quick", "autoscaling", "nop"]'), inputs.test) }}
       shell: bash
       run: |
         echo "Invalid input for test field: ${{ inputs.test }}"
@@ -117,6 +117,11 @@ runs:
     # Test payloads
     #
 
+    - name: Nop test payload
+      if: inputs.test == 'nop'
+      shell: bash
+      run: echo "::warning::This test has a nop payload. It doesn't run any tests."
+
     - name: Run sonobuoy quick test
       if: inputs.test == 'sonobuoy quick'
       uses: ./.github/actions/e2e_sonobuoy

.github/workflows/e2e-test-manual-macos.yml

@@ -26,6 +26,7 @@ on:
           - "sonobuoy quick"
           - "sonobuoy full"
           - "autoscaling"
+          - "nop"
         required: true
       kubernetesVersion:
         description: "Kubernetes version to create the cluster from."

.github/workflows/e2e-test-manual.yml

@@ -26,6 +26,7 @@ on:
           - "sonobuoy quick"
           - "sonobuoy full"
           - "autoscaling"
+          - "nop"
         required: true
       kubernetesVersion:
         description: "Kubernetes version to create the cluster from."