diff --git a/tests/test_concurrency.py b/tests/test_concurrency.py
index fd22d4d77..6bd05442e 100644
--- a/tests/test_concurrency.py
+++ b/tests/test_concurrency.py
@@ -3,7 +3,7 @@
 
 from tests.testmodels import Tournament, UniqueName
 from tortoise.contrib import test
-# from tortoise.contrib.test.condition import NotIn
+from tortoise.contrib.test.condition import NotEQ
 from tortoise.transactions import in_transaction
 
 
@@ -30,14 +30,14 @@ async def test_nonconcurrent_get_or_create(self):
         for una in unas:
             self.assertEqual(una[0], unas[0][0])
 
-    # @test.skipIf(sys.version_info < (3, 7), "aiocontextvars backport not handling this well")
-    # @test.requireCapability(dialect=NotIn("mssql", "oracle"))
-    # async def test_concurrent_get_or_create(self):
-    #     unas = await asyncio.gather(*[UniqueName.get_or_create(name="d") for _ in range(10)])
-    #     una_created = [una[1] for una in unas if una[1] is True]
-    #     self.assertEqual(len(una_created), 1)
-    #     for una in unas:
-    #         self.assertEqual(una[0], unas[0][0])
+    @test.skipIf(sys.version_info < (3, 7), "aiocontextvars backport not handling this well")
+    @test.requireCapability(dialect=NotEQ("mssql"))
+    async def test_concurrent_get_or_create(self):
+        unas = await asyncio.gather(*[UniqueName.get_or_create(name="d") for _ in range(10)])
+        una_created = [una[1] for una in unas if una[1] is True]
+        self.assertEqual(len(una_created), 1)
+        for una in unas:
+            self.assertEqual(una[0], unas[0][0])
 
     @test.skipIf(sys.version_info < (3, 7), "aiocontextvars backport not handling this well")
     @test.requireCapability(supports_transactions=True)