Add alternate connection string

Author: kesmit13

.github/workflows/coverage.yml

@@ -52,8 +52,7 @@ jobs:
           # Can not change databases using HTTP API. The URL below will be
           # used to create the database and the generated database name will
           # be applied to the above URL.
-          # SINGLESTOREDB_INIT_DB_URL: "root:[email protected]:3307"
-          SINGLESTOREDB_DEBUG_QUERIES: "1"
+          SINGLESTOREDB_INIT_DB_URL: "root:[email protected]:3307"
 
       - name: Run MySQL protocol tests
         run: |