diff --git a/tests/integration_tests/access_tests.py b/tests/integration_tests/access_tests.py
index 66067ae2d359a..6bf6cac25f538 100644
--- a/tests/integration_tests/access_tests.py
+++ b/tests/integration_tests/access_tests.py
@@ -170,7 +170,7 @@ def test_override_role_permissions_1_table(self):
 
         updated_override_me = security_manager.find_role("override_me")
         self.assertEqual(1, len(updated_override_me.permissions))
-        birth_names = self.get_table(name="birth_names", schema=schema)
+        birth_names = self.get_table(name="birth_names")
         self.assertEqual(
             birth_names.perm, updated_override_me.permissions[0].view_menu.name
         )
@@ -205,7 +205,7 @@ def test_override_role_permissions_druid_and_table(self):
             "datasource_access", updated_role.permissions[1].permission.name
         )
 
-        birth_names = self.get_table(name="birth_names", schema=schema)
+        birth_names = self.get_table(name="birth_names")
         self.assertEqual(birth_names.perm, perms[2].view_menu.name)
         self.assertEqual(
             "datasource_access", updated_role.permissions[2].permission.name
@@ -223,7 +223,7 @@ def test_override_role_permissions_drops_absent_perms(self):
         override_me = security_manager.find_role("override_me")
         override_me.permissions.append(
             security_manager.find_permission_view_menu(
-                view_menu_name=self.get_table(name="energy_usage", schema=schema).perm,
+                view_menu_name=self.get_table(name="energy_usage").perm,
                 permission_name="datasource_access",
             )
         )
@@ -240,7 +240,7 @@ def test_override_role_permissions_drops_absent_perms(self):
         self.assertEqual(201, response.status_code)
         updated_override_me = security_manager.find_role("override_me")
         self.assertEqual(1, len(updated_override_me.permissions))
-        birth_names = self.get_table(name="birth_names", schema=schema)
+        birth_names = self.get_table(name="birth_names")
         self.assertEqual(
             birth_names.perm, updated_override_me.permissions[0].view_menu.name
         )
diff --git a/tests/integration_tests/base_tests.py b/tests/integration_tests/base_tests.py
index 003de23e87b47..fdafe20b846c3 100644
--- a/tests/integration_tests/base_tests.py
+++ b/tests/integration_tests/base_tests.py
@@ -28,6 +28,7 @@
 from flask import Response
 from flask_appbuilder.security.sqla import models as ab_models
 from flask_testing import TestCase
+from sqlalchemy import inspect
 from sqlalchemy.engine.interfaces import Dialect
 from sqlalchemy.ext.declarative.api import DeclarativeMeta
 from sqlalchemy.orm import Session
@@ -250,6 +251,10 @@ def get_slice(
     def get_table(
         name: str, database_id: Optional[int] = None, schema: Optional[str] = None
     ) -> SqlaTable:
+        database = get_example_database()
+        engine = database.get_sqla_engine()
+        schema = schema or inspect(engine).default_schema_name
+
         return (
             db.session.query(SqlaTable)
             .filter_by(
diff --git a/tests/integration_tests/datasource_tests.py b/tests/integration_tests/datasource_tests.py
index f684304162dd7..64821b8235b57 100644
--- a/tests/integration_tests/datasource_tests.py
+++ b/tests/integration_tests/datasource_tests.py
@@ -279,12 +279,8 @@ def save_datasource_from_dict(self, datasource_post):
 
     @pytest.mark.usefixtures("load_birth_names_dashboard_with_slices")
     def test_change_database(self):
-        database = get_example_database()
-        engine = database.get_sqla_engine()
-        schema = inspect(engine).default_schema_name
-
         self.login(username="admin")
-        tbl = self.get_table(name="birth_names", schema=schema)
+        tbl = self.get_table(name="birth_names")
         tbl_id = tbl.id
         db_id = tbl.database_id
         datasource_post = get_datasource_post()
diff --git a/tests/integration_tests/fixtures/datasource.py b/tests/integration_tests/fixtures/datasource.py
index e6cd7e8229cc5..763d58c8a8145 100644
--- a/tests/integration_tests/fixtures/datasource.py
+++ b/tests/integration_tests/fixtures/datasource.py
@@ -17,8 +17,16 @@
 """Fixtures for test_datasource.py"""
 from typing import Any, Dict
 
+from sqlalchemy import inspect
+
+from superset.utils.core import get_example_database
+
 
 def get_datasource_post() -> Dict[str, Any]:
+    database = get_example_database()
+    engine = database.get_sqla_engine()
+    schema = inspect(engine).default_schema_name
+
     return {
         "id": None,
         "column_formats": {"ratio": ".2%"},
@@ -30,7 +38,7 @@ def get_datasource_post() -> Dict[str, Any]:
         "table_name": "birth_names",
         "datasource_name": "birth_names",
         "type": "table",
-        "schema": None,
+        "schema": schema,
         "offset": 66,
         "cache_timeout": 55,
         "sql": "",