CI: Try windows on github again

.github/workflows/ci_win.yml

@@ -0,0 +1,48 @@
+name: CI Windows
+
+on: [push, pull_request]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  test:
+    name: test
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: ["windows-latest"]
+        python-version: ["3.7"]
+    timeout-minutes: 30
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      # We need Python 3.7 to always be installed, so tests with
+      # multiple environments can run.
+      - name: Set up Python 3.7
+        uses: actions/setup-python@v4
+        with:
+          python-version: 3.7
+
+      - name: Set up Python version ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: pip
+          cache-dependency-path: pyproject.toml
+
+      - name: Setup a browser for more tests
+        uses: browser-actions/setup-chrome@latest
+
+      - name: Install dependencies
+        run: python -m pip install ".[test,hg]"
+
+      - name: Install asv
+        run: pip install .
+
+      - name: Run tests
+        run: python -m pytest -v --timeout=300 --webdriver=ChromeHeadless --durations=100 test

pyproject.toml

@@ -54,7 +54,7 @@ test = [
     "selenium",
     "pytest-rerunfailures",
     "python-hglib",
-    "rpy2; platform_python_implementation != \"PyPy\"",
+    "rpy2; platform_python_implementation != \"PyPy\"" or platform_system!='Windows',
 ]
 doc = [
     "sphinx",
@@ -67,7 +67,6 @@ dev = [
 hg = [
     "python-hglib",
 ]
-
 [build-system]
 requires = [
     "wheel",