@@ -177,7 +177,7 @@ def make_content_part(
 
 
 @pytest.mark.parametrize(
-    "item_type,role,content,expected",
+    ("item_type", "role", "content", "expected"),
     [
         # Non-message types should return empty string
         ("function_call", "assistant", "some text", ""),
Original file line number	Diff line number	Diff line change
`@@ -177,7 +177,7 @@ def make_content_part(`
`177`	`177`
`178`	`178`
`179`	`179`	`@pytest.mark.parametrize(`
`180`		`- "item_type,role,content,expected",`
	`180`	`+ ("item_type", "role", "content", "expected"),`
`181`	`181`	`[`
`182`	`182`	`# Non-message types should return empty string`
`183`	`183`	`("function_call", "assistant", "some text", ""),`