Add package test workflow

.github/workflows/ci.yml

@@ -96,6 +96,34 @@ jobs:
           command: test
           args: --release --all --features ci_skip --no-fail-fast
 
+  test-package:
+    name: Test Package
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - stable
+          - nightly
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Install Rust (${{ matrix.rust }})
+        uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ matrix.rust }}
+          override: true
+
+      - name: Install cargo-all-features
+        run: |
+          cargo install cargo-all-features
+
+      - name: Test
+        run: |
+          cd packages
+          cargo test-all-features
+
   codecov:
     name: Code Coverage
     runs-on: ubuntu-latest