🚧 GitHub Actions: Rework test, run in src/

.github/workflows/test.yml

@@ -14,7 +14,11 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v3
-      - name: Build package
-        run: python3 -m pip install --upgrade build && python3 -m build
+
+      - name: Update pip
+        run: python3 -m pip install -U pip
+      - name: Install requirements*
+        run: python3 -m pip install -r requirements*.txt
+
       - name: Test
-        run: python3 -m pip install -r requirements-dev.txt && pytest
+        run: cd src && python3 -m pytest