So...does this macos-unit-tests workflow work?

Signed-off-by: Andrew Keesler <akeesler@vmware.com>

.github/workflows/unit-tests.yml

@@ -0,0 +1,25 @@
+name: unit-tests
+on: workflow_dispatch
+jobs:
+  macos-unit-tests:
+    name: macOS Unit Tests
+    runs-on: macos-latest
+    steps:
+    - name: Set up Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: ^1.15
+      id: go
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Cache Dependencies
+      uses: actions/cache@v2
+      with:
+        path: ~/go/pkg/mod
+        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+        restore-keys: |
+          ${{ runner.os }}-go-
+    - name: Build
+      run: go build -v ./...
+    - name: Test
+      run: go test -short -race -v ./...