add test workflow

Signed-off-by: t-kikuc <tkikuchi07f@gmail.com>

Author: t-kikuc

.github/workflows/build.yaml

@@ -23,5 +23,5 @@ jobs:
         with:
           go-version: ${{ env.GO_VERSION }}
           cache: true
-      - name: Build go plugins
+      - name: Build go plugins # TODO: Make it parallel
         run: make build/go

.github/workflows/lint.yaml

@@ -43,8 +43,7 @@ jobs:
           golangci_lint_flags: --config ${{ github.workspace }}/.golangci.yml
           fail_on_error: true # Although this option was deprecated on v2.7.0, it's still available because we use v2.1.3,
 
-  # This job is used to check if the go linting is completed successfully
-  # It is used to set as required check for the branch protection rules
+  # This job is used to check for the branch protection rules.
   go-lint-completed:
     runs-on: ubuntu-24.04
     needs: go

.github/workflows/test.yaml

@@ -0,0 +1,62 @@
+name: test
+
+on:
+  push:
+    branches:
+      - main
+    # tags:
+      # - 'v*'
+  pull_request:
+    branches:
+      - main
+      # - 'release-v*'
+
+env:
+  GO_VERSION: 1.24.3
+
+jobs:
+  list-go-modules:
+    runs-on: ubuntu-24.04
+    outputs:
+      modules: ${{ steps.list-go-modules.outputs.modules }}
+    steps:
+      - uses: actions/checkout@v4
+      - name: List go modules
+        id: list-go-modules
+        run: |
+          echo "modules=$(find . -name go.mod -exec dirname {} \; | sort | jq -R -s -c 'split("\n") | map(select(length > 0))')" >> $GITHUB_OUTPUT
+
+  go:
+    runs-on: ubuntu-latest-8-cores
+    needs: list-go-modules
+    strategy:
+      fail-fast: false
+      matrix:
+        module: ${{ fromJSON(needs.list-go-modules.outputs.modules) }}
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v4
+        with:
+          go-version: ${{ env.GO_VERSION }}
+          cache: true
+      - name: Run unit tests
+        run: make test/go PLUGINS=${{ matrix.module }} # COVERAGE=true
+      # TODO: Add coverage reporting
+      # - name: make flag
+      #   id: make-flag
+      #   run: |
+      #     echo "flags=$(echo ${{ matrix.module }} | tr '/' '-')" >> $GITHUB_OUTPUT
+      # - name: Upload coverage reports to Codecov
+      #   uses: codecov/codecov-action@v3
+      #   with:
+      #     flags: ${{ steps.make-flag.outputs.flags }}
+      #   env:
+      #     CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
+
+# This job is used to check for the branch protection rules.
+  go-test-completed:
+    runs-on: ubuntu-24.04
+    needs: go
+    steps:
+      - run: |
+          echo completed