Correct CI File changes

Signed-off-by: Yogesh Deshpande <[email protected]>

.github/workflows/ci.yml

@@ -3,16 +3,22 @@
 name: ci
 on: [push, pull_request]
 jobs:
+
+  # Test on various OS with specified Go version.
   tests:
-    name: Test on ubuntu-latest
-    runs-on: ubuntu-latest
-    env:
-      GO111MODULE: on
+    name: Test on ${{matrix.os}}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [macos-latest, ubuntu-latest]
     steps:
+    - uses: actions/setup-go@v3
+      with:
+        go-version: "1.18"
     - name: Checkout code
       uses: actions/checkout@v2
       with:
-        go-version: "1.19"
+        fetch-depth: 1
     - name: Install mockgen
       run: |
         go install github.com/golang/mock/[email protected]
@@ -21,4 +27,4 @@ jobs:
     - name: Run tests
       run: |
         go version
-        make test
+        make test