test: adjust post creation tests for DTO validation

internal/handlers/post_handler_test.go

@@ -310,7 +310,7 @@ func TestPostHandlerCreatePostValidation(t *testing.T) {
 	}
 
 	recorder = httptest.NewRecorder()
-	request = createCreatePostRequest(`{"title":"ok","url":"https://example.com"}`)
+	request = createCreatePostRequest(`{"title":"okay","url":"https://example.com"}`)
 	handler.CreatePost(recorder, request)
 	testutils.AssertHTTPStatus(t, recorder, http.StatusUnauthorized)
 }