ci: Disable flaky lambda materialization test

Signed-off-by: Danny C <d.chiao@gmail.com>

sdk/python/tests/integration/materialization/test_lambda.py

@@ -21,6 +21,7 @@
 
 
 @pytest.mark.integration
+@pytest.mark.skip(reason="Very flaky test")
 def test_lambda_materialization_consistency():
     lambda_config = IntegrationTestRepoConfig(
         provider="aws",
@@ -64,7 +65,6 @@ def test_lambda_materialization_consistency():
     )
 
     try:
-
         fs.apply([driver, driver_stats_fv])
 
         print(df)