Add autobuild workind-directory test

Author: cklin

.github/workflows/__test-autobuild-working-dir.yml

@@ -0,0 +1,28 @@
+name: "Autobuild working directory"
+description: "Tests working-directory input of autobuild action"
+os: ["ubuntu-latest"]
+steps:
+  - name: Test setup
+    shell: bash
+    run: |
+      mkdir autobuild-dir
+      mv *.go autobuild-dir
+      # The invalid go.mod breaks Go autobuild in default directory
+      touch go.mod
+  - uses: ./../action/init
+    with:
+      languages: go
+      tools: ${{ steps.prepare-test.outputs.tools-url }}
+  - uses: ./../action/autobuild
+  - uses: ./../action/analyze
+    id: analysis
+    env:
+      TEST_MODE: true
+  - name: Check database
+    shell: bash
+    run: |
+      GO_DB="${{ fromJson(steps.analysis.outputs.db-locations).go }}"
+      if [[ ! -d "$GO_DB" ]]; then
+        echo "Did not create a database."
+        exit 1
+      fi