diff --git a/.github/workflows/pr_check.yml b/.github/workflows/pr_check.yml
index 4e4fb235..59266318 100644
--- a/.github/workflows/pr_check.yml
+++ b/.github/workflows/pr_check.yml
@@ -1,13 +1,22 @@
 name: Pull request check
 
 on:
-  pull_request:
+  push:
+  # pull_request:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
 jobs:
+  tests_foo:
+    uses: ./.github/workflows/tests.yml
+    with:
+      matrix: |
+        [
+          {"rev": "nightly/nvim-linux64.tar.gz"},
+          {"rev": "v0.9.2/nvim-linux64.tar.gz"}
+        ]
   tests:
     name: unit tests
     runs-on: ubuntu-22.04
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
new file mode 100644
index 00000000..9a3e4f92
--- /dev/null
+++ b/.github/workflows/tests.yml
@@ -0,0 +1,38 @@
+name: Run tests
+
+on:
+  workflow_call:
+    inputs:
+      matrix:
+        required: true
+        type: string
+
+jobs:
+  tests:
+    name: unit tests
+    runs-on: ubuntu-22.04
+    strategy:
+      fail-fast: false
+      matrix:
+        include: ${{ fromJson(inputs.matrix) }}
+    steps:
+      - uses: actions/checkout@v3
+      - run: date +%F > todays-date
+      - name: Restore cache for today's nightly.
+        uses: actions/cache@v3
+        with:
+          path: _neovim
+          key: ${{ matrix.rev }}-${{ hashFiles('todays-date') }}
+      - name: Prepare
+        run: |
+          test -d _neovim || {
+            mkdir -p _neovim
+            curl -sL "https://github.com/neovim/neovim/releases/download/${{ matrix.rev }}" | tar xzf - --strip-components=1 -C "${PWD}/_neovim"
+          }
+
+      - name: Run tests
+        run: |
+          export PATH="${PWD}/_neovim/bin:${PATH}"
+          export VIM="${PWD}/_neovim/share/nvim/runtime"
+          nvim --version
+          make test