Add test case for when microbatch behavior flag is off

dbt-tests-adapter/dbt/tests/adapter/incremental/test_incremental_microbatch.py

@@ -61,6 +61,7 @@ def assert_row_count(self, project, relation_name: str, expected_row_count: int)
 
         assert len(result) == expected_row_count, f"{relation_name}:{pformat(result)}"
 
+class TestMicrobatchOn(BaseMicrobatch):
     @pytest.fixture(scope="class")
     def project_config_update(self):
         return {
@@ -99,3 +100,19 @@ def test_run_with_event_time(self, project, insert_two_rows_sql):
         with patch_microbatch_end_time("2020-01-05 14:57:00"):
             run_dbt(["run", "--select", "microbatch_model"])
         self.assert_row_count(project, "microbatch_model", 5)
+
+class TestMicrobatchOff(BaseMicrobatch):
+    @pytest.fixture(scope="class")
+    def project_config_update(self):
+        return {
+            "flags": {
+                "require_builtin_microbatch_strategy": False,
+            }
+        }
+
+    def test_run_with_event_time(self, project):
+        with patch_microbatch_end_time("2020-01-03 13:57:00"):
+            result = run_dbt(["run"])
+        breakpoint()
+        self.assert_row_count(project, "microbatch_model", 3)
+