diff --git a/.changes/unreleased/Fixes-20230623-092933.yaml b/.changes/unreleased/Fixes-20230623-092933.yaml
new file mode 100644
index 00000000000..8221fb8034d
--- /dev/null
+++ b/.changes/unreleased/Fixes-20230623-092933.yaml
@@ -0,0 +1,6 @@
+kind: Fixes
+body: Fix query comment tests
+time: 2023-06-23T09:29:33.225649+02:00
+custom:
+  Author: damian3031
+  Issue: "7845"
diff --git a/tests/adapter/dbt/tests/adapter/query_comment/test_query_comment.py b/tests/adapter/dbt/tests/adapter/query_comment/test_query_comment.py
index 053fcc506c8..16d51b35e75 100644
--- a/tests/adapter/dbt/tests/adapter/query_comment/test_query_comment.py
+++ b/tests/adapter/dbt/tests/adapter/query_comment/test_query_comment.py
@@ -28,13 +28,6 @@ def run_get_json(self, expect_pass=True):
         assert len(res) > 0
         return raw_logs
 
-    def run_assert_comments(self):
-        logs = self.run_get_json()
-        return logs
-
-    def test_comments(self, project):
-        self.run_assert_comments()
-
 
 # Base setup to be inherited #
 class BaseQueryComments(BaseDefaultQueryComments):
@@ -42,8 +35,9 @@ class BaseQueryComments(BaseDefaultQueryComments):
     def project_config_update(self):
         return {"query-comment": "dbt\nrules!\n"}
 
-    def matches_comment(self, logs) -> bool:
-        assert "/* dbt\nrules! */\n" in logs
+    def test_matches_comment(self, project) -> bool:
+        logs = self.run_get_json()
+        assert r"/* dbt\nrules! */\n" in logs
 
 
 class BaseMacroQueryComments(BaseDefaultQueryComments):
@@ -51,8 +45,9 @@ class BaseMacroQueryComments(BaseDefaultQueryComments):
     def project_config_update(self):
         return {"query-comment": "{{ query_header_no_args() }}"}
 
-    def matches_comment(self, logs) -> bool:
-        assert "/* dbt macros\nare pretty cool */\n" in logs
+    def test_matches_comment(self, project) -> bool:
+        logs = self.run_get_json()
+        assert r"/* dbt macros\nare pretty cool */\n" in logs
 
 
 class BaseMacroArgsQueryComments(BaseDefaultQueryComments):
@@ -60,14 +55,17 @@ class BaseMacroArgsQueryComments(BaseDefaultQueryComments):
     def project_config_update(self):
         return {"query-comment": "{{ return(ordered_to_json(query_header_args(target.name))) }}"}
 
-    def matches_comment(self, logs) -> bool:
+    def test_matches_comment(self, project) -> bool:
+        logs = self.run_get_json()
         expected_dct = {
             "app": "dbt++",
             "dbt_version": dbt_version,
             "macro_version": "0.1.0",
-            "message": "blah: default2",
+            "message": f"blah: {project.adapter.config.target_name}",
         }
-        expected = "/* {} */\n".format(json.dumps(expected_dct, sort_keys=True))
+        expected = r"/* {} */\n".format(json.dumps(expected_dct, sort_keys=True)).replace(
+            '"', r"\""
+        )
         assert expected in logs
 
 
@@ -76,7 +74,7 @@ class BaseMacroInvalidQueryComments(BaseDefaultQueryComments):
     def project_config_update(self):
         return {"query-comment": "{{ invalid_query_header() }}"}
 
-    def run_assert_comments(self):
+    def test_run_assert_comments(self, project):
         with pytest.raises(DbtRuntimeError):
             self.run_get_json(expect_pass=False)
 
@@ -84,9 +82,10 @@ def run_assert_comments(self):
 class BaseNullQueryComments(BaseDefaultQueryComments):
     @pytest.fixture(scope="class")
     def project_config_update(self):
-        return {"query-comment": ""}
+        return {"query-comment": None}
 
-    def matches_comment(self, logs) -> bool:
+    def test_matches_comment(self, project) -> bool:
+        logs = self.run_get_json()
         assert "/*" not in logs or "*/" not in logs
 
 
@@ -95,7 +94,8 @@ class BaseEmptyQueryComments(BaseDefaultQueryComments):
     def project_config_update(self):
         return {"query-comment": ""}
 
-    def matches_comment(self, logs) -> bool:
+    def test_matches_comment(self, project) -> bool:
+        logs = self.run_get_json()
         assert "/*" not in logs or "*/" not in logs