1 files changed, 2 insertions, 1 deletions
diff --git a/spec/services/metrics/dashboard/custom_metric_embed_service_spec.rb b/spec/services/metrics/dashboard/custom_metric_embed_service_spec.rb
index a5f7c2ab8ab..82321dbc822 100644
--- a/spec/services/metrics/dashboard/custom_metric_embed_service_spec.rb
+++ b/spec/services/metrics/dashboard/custom_metric_embed_service_spec.rb
@@ -111,7 +111,8 @@ RSpec.describe Metrics::Dashboard::CustomMetricEmbedService do
       it_behaves_like 'valid embedded dashboard service response'
 
       it 'does not cache the unprocessed dashboard' do
-        expect(Gitlab::Metrics::Dashboard::Cache).not_to receive(:fetch)
+        # Fail spec if any method of Cache class is called.
+        stub_const('Gitlab::Metrics::Dashboard::Cache', double)
 
         described_class.new(*service_params).get_dashboard
       end