Ensure new health endpoint builds on MacOS (#1215)

* Add mac build to CI

* Always return an error for Health when not linux

* Change macos workflow

* Rename macos tests

* Disable health API test on Mac

Co-authored-by: Michael Sproul <michael@sigmaprime.io>

.github/workflows/test-suite.yml

@@ -26,6 +26,19 @@ jobs:
       run: sudo npm install -g ganache-cli
     - name: Run tests in release
       run: make test-release
+  release-tests-and-install-macos:
+    runs-on: macos-latest
+    needs: cargo-fmt
+    steps:
+    - uses: actions/checkout@v1
+    - name: Get latest version of stable Rust
+      run: rustup update stable
+    - name: Install ganache-cli
+      run: sudo npm install -g ganache-cli
+    - name: Run tests in release
+      run: make test-release
+    - name: Install Lighthouse
+      run: make
   debug-tests-ubuntu:
     runs-on: ubuntu-latest
     needs: cargo-fmt