Add tests for this macro

tests/adapter/dbt/tests/adapter/utils/fixture_null_compare.py

@@ -1,11 +1,29 @@
-models__test_null_compare_sql = """
+MODELS__TEST_MIXED_NULL_COMPARE_SQL = """
+select
+    1 as actual,
+    null as expected
+"""
+
+
+MODELS__TEST_MIXED_NULL_COMPARE_YML = """
+version: 2
+models:
+  - name: test_null_compare
+    tests:
+      - assert_equal:
+          actual: actual
+          expected: expected
+"""
+
+
+MODELS__TEST_NULL_COMPARE_SQL = """
 select
     null as actual,
     null as expected
 """
 
 
-models__test_null_compare_yml = """
+MODELS__TEST_NULL_COMPARE_YML = """
 version: 2
 models:
   - name: test_null_compare

tests/adapter/dbt/tests/adapter/utils/test_null_compare.py

@@ -2,19 +2,39 @@
 
 from dbt.tests.adapter.utils.base_utils import BaseUtils
 from dbt.tests.adapter.utils.fixture_null_compare import (
-    models__test_null_compare_sql,
-    models__test_null_compare_yml,
+    MODELS__TEST_MIXED_NULL_COMPARE_SQL,
+    MODELS__TEST_MIXED_NULL_COMPARE_YML,
+    MODELS__TEST_NULL_COMPARE_SQL,
+    MODELS__TEST_NULL_COMPARE_YML,
 )
+from dbt.tests.util import run_dbt
+
+
+class BaseMixedNullCompare(BaseUtils):
+    @pytest.fixture(scope="class")
+    def models(self):
+        return {
+            "test_mixed_null_compare.yml": MODELS__TEST_MIXED_NULL_COMPARE_SQL,
+            "test_mixed_null_compare.sql": MODELS__TEST_MIXED_NULL_COMPARE_YML,
+        }
+
+    def test_build_assert_equal(self, project):
+        run_dbt()
+        run_dbt(["test"], expect_pass=False)
 
 
 class BaseNullCompare(BaseUtils):
     @pytest.fixture(scope="class")
     def models(self):
         return {
-            "test_null_compare.yml": models__test_null_compare_yml,
-            "test_null_compare.sql": models__test_null_compare_sql,
+            "test_null_compare.yml": MODELS__TEST_NULL_COMPARE_YML,
+            "test_null_compare.sql": MODELS__TEST_NULL_COMPARE_SQL,
         }
 
 
+class TestMixedNullCompare(BaseNullCompare):
+    pass
+
+
 class TestNullCompare(BaseNullCompare):
     pass