fix matrix

.github/workflows/workflow.yml

@@ -24,7 +24,7 @@ jobs:
     runs-on: ${{ matrix.operating-system }}
     strategy:
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macOS-latest]
+        operating-system: [ubuntu-latest, windows-latest]
     steps:
     - name: Checkout
       uses: actions/checkout@v2
@@ -46,7 +46,32 @@ jobs:
       if: runner.os == 'windows'
       run: __tests__/verify-java.ps1 13.0.2 "${{ steps.setup-java.outputs.path }}" "${{ steps.setup-java.outputs.version }}"
 
-  test-proxy:
+  test-proxy-adopt:
+    runs-on: ubuntu-latest
+    container:
+      image: ubuntu:latest
+      options: --dns 127.0.0.1
+    services:
+      squid-proxy:
+        image: datadog/squid:latest
+        ports:
+          - 3128:3128
+    env:
+      https_proxy: http://squid-proxy:3128
+    steps:
+    - uses: actions/checkout@v2
+    - name: Clear tool cache
+      run: rm -rf $RUNNER_TOOL_CACHE/*
+    - name: Setup Java 13
+      uses: ./
+      with:
+        java-version: 13
+        vendor: 'adoptopenjdk'
+    - name: Verify Java 13
+      run: __tests__/verify-java.sh 13.0.2
+
+
+  test-proxy-zulu:
     runs-on: ubuntu-latest
     container:
       image: ubuntu:latest