Chore: Improve test alignment

Author: amotl

tests/test_schema.py

@@ -10,9 +10,10 @@ def test_correct_schema(cratedb_service):
     database = cratedb_service.database
 
     tablename = f'"{TESTDRIVE_DATA_SCHEMA}"."foobar"'
-    inspector: sa.Inspector = sa.inspect(database.engine)
+    database.run_sql(f"DROP TABLE IF EXISTS {tablename}")
     database.run_sql(f"CREATE TABLE {tablename} AS SELECT 1")
 
+    inspector: sa.Inspector = sa.inspect(database.engine)
     assert TESTDRIVE_DATA_SCHEMA in inspector.get_schema_names()
 
     table_names = inspector.get_table_names(schema=TESTDRIVE_DATA_SCHEMA)

tests/vector_test.py

@@ -215,13 +215,13 @@ def test_float_vector_as_generic():
     assert fv.python_type is list
 
 
-def test_float_vector_integration():
+def test_float_vector_integration(cratedb_service):
     """
     An integration test for `FLOAT_VECTOR` and `KNN_SEARCH`.
     """
     np = pytest.importorskip("numpy")
 
-    engine = sa.create_engine(f"crate://")
+    engine = cratedb_service.database.engine
     session = sessionmaker(bind=engine)()
     Base = declarative_base()