Refactor the MRT's node version

Author: vmarta

.github/workflows/test.yml

@@ -28,6 +28,11 @@ env:
   DEVELOP: ${{ (github.event_name == 'push' || github.event.pull_request.head.repo.full_name == github.repository) && (github.head_ref || github.ref_name) == 'develop' }}
   RELEASE: ${{ (github.event_name == 'push' || github.event.pull_request.head.repo.full_name == github.repository) && startsWith(github.head_ref || github.ref_name, 'release-') }}
 
+  # The current recommended version for Managed Runtime:
+  # https://developer.salesforce.com/docs/commerce/pwa-kit-managed-runtime/guide/upgrade-node-version.html
+  MRT_NODE: 22
+  MRT_NPM: 10
+
 jobs:
   changelog-check:
     if: (github.event_name == 'push' || github.event.pull_request.head.repo.full_name == github.repository)
@@ -63,9 +68,7 @@ jobs:
       # For more: https://nodejs.org/en/download/releases/
       # (We also use this env var for making sure a step runs once for the current node version)
       IS_DEFAULT_NPM: ${{ (matrix.node == 18 && matrix.npm == 10) || (matrix.node == 20 && matrix.npm == 10) || (matrix.node == 22 && matrix.npm == 10) }}
-      # The current recommended version for Managed Runtime:
-      # https://developer.salesforce.com/docs/commerce/pwa-kit-managed-runtime/guide/upgrade-node-version.html
-      IS_MRT_NODE: ${{ matrix.node == 22 && matrix.npm == 10 }}
+      IS_MRT_NODE: ${{ matrix.node == env.MRT_NODE && matrix.npm == MRT_NPM }}
       PROJECT_DIR: generated-retail-react-app-test-project
     steps:
       - name: Checkout
@@ -166,9 +169,7 @@ jobs:
       # (We also use this env var for making sure a step runs once for the current node version)
       # Note: For node 18, the default was npm 9 until v18.19.0, when it became npm 10
       IS_DEFAULT_NPM: ${{ (matrix.node == 18 && matrix.npm == 10) || (matrix.node == 20 && matrix.npm == 10) || (matrix.node == 22 && matrix.npm == 10) }}
-      # The current recommended version for Managed Runtime:
-      # https://developer.salesforce.com/docs/commerce/pwa-kit-managed-runtime/guide/upgrade-node-version.html
-      IS_MRT_NODE: ${{ matrix.node == 22 && matrix.npm == 10 }}
+      IS_MRT_NODE: ${{ matrix.node == env.MRT_NODE && matrix.npm == env.MRT_NPM }}
     steps:
         - name: Checkout
           uses: actions/checkout@v4
@@ -209,7 +210,7 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@v4
         with:
-          node-version: 22
+          node-version: ${{ env.MRT_NODE }}
 
       - name: Setup Ubuntu Machine
         uses: "./.github/actions/setup_ubuntu"
@@ -309,7 +310,7 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@v4
         with:
-          node-version: 22
+          node-version: ${{ env.MRT_NODE }}
 
       - name: Setup Windows Machine
         uses: "./.github/actions/setup_windows"
@@ -353,8 +354,6 @@ jobs:
     needs: changelog-check
     strategy:
       fail-fast: false
-      matrix:
-        node: [22] # Should match node version supported by MRT.
     runs-on: ubuntu-latest
     env:
       PROJECT_DIR: generated-retail-react-app-test-project
@@ -365,7 +364,7 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ matrix.node }}
+          node-version: ${{ env.MRT_NODE }}
           cache: npm
 
       - name: Setup Ubuntu Machine
@@ -389,8 +388,6 @@ jobs:
   #   needs: changelog-check
   #   strategy:
   #     fail-fast: false
-  #     matrix:
-  #       node: [22] # Should match node version supported by MRT.
   #   runs-on: ubuntu-latest
   #   env:
   #     PROJECT_DIR: generated-retail-react-app-test-project
@@ -403,7 +400,7 @@ jobs:
   #     - name: Setup Node
   #       uses: actions/setup-node@v4
   #       with:
-  #         node-version: ${{ matrix.node }}
+  #         node-version: ${{ env.MRT_NODE }}
   #         cache: npm
 
   #     - name: Setup Ubuntu Machine