tests: add go test CI

Author: Hoblovski

.github/workflows/go-test.yml

@@ -0,0 +1,46 @@
+name: Go CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  test:
+    name: Run go test
+    runs-on: ubuntu-latest
+    env:
+      # TestPatcher:
+      #   absolute path in localsession.json
+      # TestCases:
+      #   hardcoded obselete json
+      # Test_goParser_ParseNode:
+      #   test tries to retrieve non-existent node
+      # TestParser_NodeFieldsConsistency:
+      #   Vars.Content only includes name, not whole body
+      SKIPPED_TESTS: >-
+        TestPatcher|TestCases|Test_goParser_ParseNode|TestParser_NodeFieldsConsistency
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.22'
+
+      - name: Setup Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          toolchain: stable
+          components: rust-analyzer
+
+      - name: Install gopls
+        run: go install golang.org/x/tools/gopls@latest
+
+      - name: Run all tests
+        run: go test ./lang/... -skip '${{ env.SKIPPED_TESTS }}'