use a composite action for getting docs-early-access in tests (#35145)

.github/actions/get-docs-early-access/action.yml

@@ -0,0 +1,33 @@
+name: Clone and add docs-early-access
+
+description: Clone docs-early-access and copy its content into the repo
+
+inputs:
+  token:
+    description: PAT
+    required: true
+
+runs:
+  using: 'composite'
+  steps:
+    - name: Figure out which branch to checkout
+      id: check-early-access
+      env:
+        BRANCH_NAME: ${{ github.head_ref || github.ref_name }}
+        GITHUB_TOKEN: ${{ inputs.token }}
+      shell: bash
+      run: node .github/actions-scripts/what-docs-early-access-branch.js
+
+    - name: Clone
+      uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8
+      with:
+        repository: github/docs-early-access
+        token: ${{ inputs.token }}
+        path: docs-early-access
+        ref: ${{ steps.check-early-access.outputs.branch }}
+
+    - name: Merge docs-early-access repo's folders
+      shell: bash
+      run: |
+        .github/actions-scripts/merge-early-access.sh
+        rm -fr docs-early-access

.github/workflows/test.yml

@@ -88,28 +88,10 @@ jobs:
 
       - uses: ./.github/actions/node-npm-setup
 
-      - name: Figure out which docs-early-access branch to checkout, if internal repo
+      - uses: ./.github/actions/get-docs-early-access
         if: ${{ github.repository == 'github/docs-internal' }}
-        id: check-early-access
-        env:
-          BRANCH_NAME: ${{ github.head_ref || github.ref_name }}
-          GITHUB_TOKEN: ${{ secrets.DOCUBOT_REPO_PAT }}
-        run: node .github/actions-scripts/what-docs-early-access-branch.js
-
-      - name: Check out docs-early-access too, if internal repo
-        if: ${{ github.repository == 'github/docs-internal' }}
-        uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8
         with:
-          repository: github/docs-early-access
           token: ${{ secrets.DOCUBOT_REPO_PAT }}
-          path: docs-early-access
-          ref: ${{ steps.check-early-access.outputs.branch }}
-
-      - name: Merge docs-early-access repo's folders
-        if: ${{ github.repository == 'github/docs-internal' }}
-        run: |
-          .github/actions-scripts/merge-early-access.sh
-          rm -fr docs-early-access
 
       - name: Check the test fixture data (if applicable)
         if: ${{ matrix.test-group == 'rendering-fixtures' }}