Set DATABRICKS_DSN when testing

Author: arikfr

.github/workflows/go.yml

@@ -21,6 +21,8 @@ jobs:
         run: go build -v ./...
 
       - name: Test
+        env:
+          DATABRICKS_DSN: ${{ secrets.DATABRICKS_DSN }}
         run: |
           set -o pipefail && go test ./... -json | node .github/parse-tests.js >> $GITHUB_STEP_SUMMARY
           echo $GITHUB_STEP_SUMMARY