chore(ci): split emulation tests per architecture (#1839)

.github/workflows/test.yml

@@ -31,7 +31,7 @@ jobs:
       run: pipx run nox -s pylint -- --output-format=github
 
   test:
-    name: Test cibuildwheel on ${{ matrix.os }} (${{ matrix.python_version }})
+    name: Test on ${{ matrix.os }} (${{ matrix.python_version }})
     needs: lint
     runs-on: ${{ matrix.os }}
     strategy:
@@ -125,19 +125,41 @@ jobs:
       run: |
         python ./bin/run_tests.py --run-podman
 
-  test-emulated:
-    name: Test emulated cibuildwheel using qemu
+  emulated-archs:
+    name: Get qemu emulated architectures
     needs: lint
     runs-on: ubuntu-latest
-    timeout-minutes: 180
+    outputs:
+      archs: ${{ steps.archs.outputs.archs }}
     steps:
     - uses: actions/checkout@v4
     - uses: actions/setup-python@v5
       with:
         python-version: "3.x"
     - name: Install dependencies
+      run: python -m pip install ".[test]"
+    - name: Get qemu emulated architectures
+      id: archs
       run: |
-        python -m pip install ".[test]"
+        OUTPUT=$(python -c "from json import dumps; from test.utils import EMULATED_ARCHS; print(dumps(EMULATED_ARCHS))")
+        echo "${OUTPUT}"
+        echo "archs=${OUTPUT}" >> "$GITHUB_OUTPUT"
+
+  test-emulated:
+    name: Test Linux ${{ matrix.arch }} using qemu
+    needs: emulated-archs
+    runs-on: ubuntu-latest
+    timeout-minutes: 180
+    strategy:
+      matrix:
+        arch: ${{ fromJSON(needs.emulated-archs.outputs.archs) }}
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-python@v5
+      with:
+        python-version: "3.x"
+    - name: Install dependencies
+      run: python -m pip install ".[test]"
 
     - name: Set up QEMU
       id: qemu
@@ -146,5 +168,4 @@ jobs:
         platforms: all
 
     - name: Run the emulation tests
-      run: |
-        pytest --run-emulation test/test_emulation.py
+      run: pytest --run-emulation ${{ matrix.arch }} test/test_emulation.py