fix: correct test case for sql_flush for multiple delete table commands (#629)

* feat: updated nox file for docs and docfx and added unit tests for client

* fix: lint_setup_py was failing in Kokoro is not fixed

* feat: updated nox file for docs and docfx and added unit tests for client

* feat: added docfx build in nox file

* feat: updated nox file for docs and docfx and added unit tests for client

* feat: added docfx build in nox file

* feat: adding unit tests for django spanner

* feat: updated nox file for docs and docfx and added unit tests for client

* feat: added docfx build in nox file

* feat: updated nox file for docs and docfx and added unit tests for client

* feat: added docfx build in nox file

* feat: updated nox file for docs and docfx and added unit tests for client

* feat: adding unit tests for django spanner

* bug: fixed schema tests settings to create instance and delete it after test completion

* bug: test fixes for schema file

* feat: added unit test coverage for functions, introspection and schema

* refactor: lint the code

* refactor: removed unrelated code from PR

* ci: added build for docfx and refactores settings for unit tests

* build: added python 3.9 in setup file

* refactor: changed coverage check to 65 from 68 to be conservative in the estimates

* fix: corrected test case for sql_flush for multiple delete table commands

Author: vi3k6i5

tests/unit/django_spanner/test_operations.py

@@ -33,9 +33,9 @@ def test_sql_flush(self):
 
         self.assertEqual(
             self.db_operations.sql_flush(
-                style=no_style(), tables=["Table1, Table2"]
+                style=no_style(), tables=["Table1", "Table2"]
             ),
-            ["DELETE FROM `Table1, Table2`"],
+            ["DELETE FROM Table1", "DELETE FROM Table2"],
         )
 
     def test_sql_flush_empty_table_list(self):