Merge pull request #14 from yutailang0119/actions/use-matrix

[GitHub Actions] Use strategy.matrix

Author: yutailang0119

.github/workflows/test.yml

@@ -6,19 +6,14 @@ on:
   pull_request:
 
 jobs:
-  macos:
-    runs-on: macos-latest
+  test:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [macos-latest, ubuntu-latest]
     steps:
-    - uses: actions/checkout@v2
-    - name: Build
-      run: swift build
-    - name: Run tests
-      run: swift test
-  linux:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v2
-    - name: Build
-      run: swift build
-    - name: Run tests
-      run: swift test
+      - uses: actions/checkout@v2
+      - name: Build
+        run: swift build
+      - name: Run tests
+        run: swift test