Revert "Fixed #23474 -- Prevented migrating backwards from unapplying the wrong migrations."

This reverts commit abcf28a07695a45cb5fb15b81bffc97bea5e0be3.

1 files changed, 0 insertions, 38 deletions

diff --git a/tests/migrations/test_executor.py b/tests/migrations/test_executor.py
index 222f1b847e..b8eddc6f97 100644
--- a/tests/migrations/test_executor.py
+++ b/tests/migrations/test_executor.py
@@ -231,41 +231,3 @@ class ExecutorTests(MigrationTestBase):
         executor.migrate([("migrations", None)])
         self.assertTableNotExists("migrations_author")
         self.assertTableNotExists("migrations_tribble")
-
-    @override_settings(
-        MIGRATION_MODULES={
-            "migrations": "migrations.test_migrations_backwards_deps_1",
-            "migrations2": "migrations2.test_migrations_backwards_deps_2",
-        },
-    )
-    def test_backwards_deps(self):
-        """
-        #23474 - Migrating backwards shouldn't cause the wrong migrations to be
-        unapplied.
-
-        Migration dependencies (x -> y === y depends on x):
-        m.0001 -+-> m.0002
-                +-> m2.0001
-
-        1) Migrate m2 to 0001, causing { m.0001, m2.0002 } to be applied.
-        2) Migrate m to 0001. m.0001 has already been applied, so this should
-           be a noop.
-        """
-        executor = MigrationExecutor(connection)
-        executor.migrate([("migrations2", "0001_initial")])
-        try:
-            self.assertTableExists("migrations2_example")
-            # Rebuild the graph to reflect the new DB state
-            executor.loader.build_graph()
-            self.assertEqual(
-                executor.migration_plan([("migrations", "0001_initial")]),
-                [],
-            )
-            executor.migrate([("migrations", "0001_initial")])
-            self.assertTableExists("migrations2_example")
-        finally:
-            # And migrate back to clean up the database
-            executor.loader.build_graph()
-            executor.migrate([("migrations", None)])
-            self.assertTableNotExists("migrations_author")
-            self.assertTableNotExists("migrations_tribble")