Optimize and Enable E2E tests on Windows

.github/workflows/e2e-tests.yml

@@ -12,9 +12,7 @@ jobs:
   run-e2e:
     strategy:
       matrix:
-        # Disabled windows because it's too slow
-        # See: https://github.com/NomicFoundation/hardhat/issues/5247
-        os: [ubuntu-latest, macos-latest]
+        os: [ubuntu-latest, macos-latest, windows-latest]
     name: Run E2E tests on ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
     env:
@@ -29,21 +27,37 @@ jobs:
       IS_WINDOWS: ${{ matrix.os == 'windows-latest' }}
     steps:
       - uses: actions/checkout@v4
+
+      - name: Cache pnpm modules
+        uses: actions/cache@v3
+        with:
+          path: ~/.pnpm-store
+          key: ${{ runner.os }}-pnpm-${{ hashFiles('**/pnpm-lock.yaml') }}
+          restore-keys: |
+            ${{ runner.os }}-pnpm-
+
       - uses: pnpm/action-setup@v2
         with:
           version: 9
+
       - uses: actions/setup-node@v4
         with:
           node-version: 18
+
+      - name: Install dependencies
+        run: pnpm install
+
       - name: Run fixture-projects script
         run: |
           cd e2e
           chmod +x run-fixture-projects.sh
           ./run-fixture-projects.sh
         shell: bash
+
       - name: Run test-project-initialization script
         run: |
           cd e2e
           chmod +x test-project-initialization.sh
           ./test-project-initialization.sh
         shell: bash
+