github ci update

.github/workflows/swift.yml

@@ -10,21 +10,16 @@ jobs:
       uses: actions/checkout@v1
       with:
         fetch-depth: 1
-    - name: Build
-      run: swift build
-    - name: Test
+    - name: Build and Test
       run: swift test
       
   linux:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        tag: ['5.0', '5.1']
+        tag: ['5.0', '5.1', '5.2']
     container:
       image: swift:${{ matrix.tag }}
-      volumes:
-      - $GITHUB_WORKSPACE:/src
-      options: --workdir /src
     steps:
     - name: Checkout
       uses: actions/checkout@v1
@@ -34,8 +29,6 @@ jobs:
       run: |
         apt-get update -qq
         apt-get install -q -y tzdata libssl-dev zlib1g-dev
-    - name: Build
-      run: swift build
-    - name: Test
+    - name: Build and Test
       run: swift test
-    
+