Add test runner to trigger bug from open-telemetry#1527

.github/workflows/test-1527.yml

@@ -0,0 +1,45 @@
+name: "Validation test for #1527"
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+jobs:
+  compatibility-test:
+    strategy:
+      matrix:
+        go-version: [1.15, 1.14]
+        os: [macos-latest]
+        # GitHub Actions does not support arm* architectures on default
+        # runners. It is possible to acomplish this with a self-hosted runner
+        # if we want to add this in the future:
+        # https://docs.github.com/en/actions/hosting-your-own-runners/using-self-hosted-runners-in-a-workflow
+        arch: ["386", amd64]
+        exclude:
+        # Not a supported Go OS/architecture.
+        - os: macos-latest
+          arch: "386"
+    runs-on: ${{ matrix.os }}
+    steps:
+    - name: Install Go
+      uses: actions/setup-go@v2.1.3
+      with:
+        go-version: ${{ matrix.go-version }}
+    - name: Checkout code
+      uses: actions/checkout@v2
+    - name: Setup Environment
+      run: |
+        echo "GOPATH=$(go env GOPATH)" >> $GITHUB_ENV
+        echo "$(go env GOPATH)/bin" >> $GITHUB_PATH
+      shell: bash
+    - name: Module cache
+      uses: actions/cache@v2.1.4
+      env:
+        cache-name: go-mod-cache
+      with:
+        path: ~/go/pkg/mod
+        key: ${{ runner.os }}-${{ env.cache-name }}-${{ hashFiles('**/go.sum') }}
+    - name: Run test
+      env:
+        GOARCH: ${{ matrix.arch }}
+      run: "cd exporters/otlp/otlpgrpc && go test -v -count=1000 -run=TestNewExporter_collectorConnectionDiesThenReconnects"