diff --git a/extensions/openai/index.test.ts b/extensions/openai/index.test.ts
index da5df9c6b38..963b9f16ab1 100644
--- a/extensions/openai/index.test.ts
+++ b/extensions/openai/index.test.ts
@@ -58,7 +58,7 @@ function resolveTemplateModelId(modelId: string) {
 }
 
 function createTemplateModelRegistry(modelId: string): ModelRegistry {
-  const registry = ModelRegistry.inMemory(AuthStorage.inMemory());
+  const registry = new ModelRegistry(AuthStorage.inMemory());
   const template = getModel("openai", resolveTemplateModelId(modelId));
   registry.registerProvider("openai", {
     apiKey: "test",
diff --git a/extensions/openrouter/index.test.ts b/extensions/openrouter/index.test.ts
index 6a3c24a1ea3..3de534486bb 100644
--- a/extensions/openrouter/index.test.ts
+++ b/extensions/openrouter/index.test.ts
@@ -41,7 +41,7 @@ describeLive("openrouter plugin live", () => {
     const resolved = provider.resolveDynamicModel?.({
       provider: "openrouter",
       modelId: LIVE_MODEL_ID,
-      modelRegistry: ModelRegistry.inMemory(AuthStorage.inMemory()),
+      modelRegistry: new ModelRegistry(AuthStorage.inMemory()),
     });
     if (!resolved) {
       throw new Error(`openrouter provider did not resolve ${LIVE_MODEL_ID}`);
diff --git a/test/fixtures/test-timings.channels.json b/test/fixtures/test-timings.channels.json
index 2966c398ab5..a87c7c37230 100644
--- a/test/fixtures/test-timings.channels.json
+++ b/test/fixtures/test-timings.channels.json
@@ -301,7 +301,7 @@
       "durationMs": 282
     },
     "extensions/discord/src/send.webhook-activity.test.ts": {
-      "durationMs": 31110
+      "durationMs": 19380
     },
     "src/browser/routes/basic.existing-session.test.ts": {
       "durationMs": 221