Add an integration test for uploading SARIF when the run fails

.github/workflows/submit-sarif-failure.yml

@@ -0,0 +1,34 @@
+name: Submit SARIF after failure
+on: push
+
+env:
+  # Internal-only environment variable used to indicate that the post-init Action
+  # should expect to upload a SARIF file for the failed run.
+  CODEQL_ACTION_EXPECT_UPLOAD_FAILED_SARIF: true
+  # Make sure the uploading SARIF files feature is enabled.
+  CODEQL_ACTION_UPLOAD_FAILED_SARIF: true
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        language: [javascript]
+    steps:
+    - uses: actions/checkout@v3
+    - uses: ./init
+      with:
+        languages: ${{ matrix.language }}
+    - name: Fail
+      # We want this job to pass if the Action correctly uploads the SARIF file for
+      # the failed run.
+      # Setting this step to continue on error means that it is marked as completing
+      # successfully, so will not fail the job.
+      continue-on-error: true
+      run: exit 1
+    - uses: ./analyze
+      # In a real workflow, this step wouldn't run. Since we used `continue-on-error`
+      # above, we manually disable it with an `if` condition.
+      if: false
+      with:
+        category: "/language:${{ matrix.language }}"

.github/workflows/test-report-failed-run.yml

@@ -1,22 +0,0 @@
-name: Test reporting a failed run
-on: push
-
-env:
-  CODEQL_ACTION_UPLOAD_FAILED_SARIF: true
-
-jobs:
-  test:
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        language: [javascript]
-    steps:
-    - uses: actions/checkout@v3
-    - uses: ./init
-      with:
-        languages: ${{ matrix.language }}
-    - name: Fail
-      run: exit 1
-    - uses: ./analyze
-      with:
-        category: "/language:${{ matrix.language }}"