Do not use system database

Python Driver version 4.4 attempts to run `RETURN 1 AS x` in the
`verify_connectivity()` call path.
This is not allowed on `system` database.

Author: Mats-SX

graphdatascience/tests/integration/test_database_ops.py

@@ -18,16 +18,16 @@ def test_init_without_neo4j_db(runner: Neo4jQueryRunner) -> None:
     default_database = runner.database()
 
     MY_DB_NAME = "bananas"
-    runner.run_cypher("CREATE DATABASE $dbName WAIT", {"dbName": MY_DB_NAME})
+    runner.run_cypher("CREATE DATABASE $dbName WAIT", {"dbName": MY_DB_NAME}, database=default_database)
 
-    runner.run_cypher("DROP DATABASE $dbName WAIT", {"dbName": default_database}, database="system")
+    runner.run_cypher("DROP DATABASE $dbName WAIT", {"dbName": default_database}, database=MY_DB_NAME)
 
     try:
         gds = GraphDataScience(URI, AUTH, database=MY_DB_NAME)
         gds.close()
     finally:
-        runner.run_cypher("CREATE DATABASE $dbName WAIT", {"dbName": default_database}, database="system")
-        runner.run_cypher("DROP DATABASE $dbName WAIT", {"dbName": MY_DB_NAME})
+        runner.run_cypher("CREATE DATABASE $dbName WAIT", {"dbName": default_database}, database=MY_DB_NAME)
+        runner.run_cypher("DROP DATABASE $dbName WAIT", {"dbName": MY_DB_NAME}, database=default_database)
 
 
 @pytest.mark.skip_on_aura