diff --git a/.github/workflows/test-pull-request.yml b/.github/workflows/test-pull-request.yml
index d8bf9049..023725de 100644
--- a/.github/workflows/test-pull-request.yml
+++ b/.github/workflows/test-pull-request.yml
@@ -7,17 +7,21 @@ jobs:
     runs-on: ${{ matrix.platform }}
 
     strategy:
+      fail-fast: false
       matrix:
-        node-version: [10.x, 12.x]
+        node-version: ['10.x', '12.10.x']
         platform: [ubuntu-latest, macos-latest, windows-latest]
         runner: [npm, yarn]
         include:
           - platform: ubuntu-latest
             browser: chrome
+            return-node-version: ls $RUNNER_TOOL_CACHE/node
           - platform: windows-latest
             browser: chrome
+            return-node-version: dir C:\hostedtoolcache\windows\node /b
           - platform: macos-latest
             browser: electron
+            return-node-version: ls $RUNNER_TOOL_CACHE/node
 
     steps:
     - uses: actions/checkout@v1
@@ -30,9 +34,12 @@ jobs:
       env:
         CI: true
       run: |
+        echo === matrix variables ===
         echo ${{ matrix.platform }}
         echo ${{ matrix.node-version }}
         echo ${{ matrix.runner }}
+        echo === exact node version ===
+        ${{ matrix.return-node-version }}
         ${{ matrix.runner }} install
     - name: run tests
       env: