diff --git a/packages/fetch-http-handler/src/fetch-http-handler.browser.spec.ts b/packages/fetch-http-handler/src/fetch-http-handler.browser.spec.ts
index 82665fcb775..b5155d531be 100644
--- a/packages/fetch-http-handler/src/fetch-http-handler.browser.spec.ts
+++ b/packages/fetch-http-handler/src/fetch-http-handler.browser.spec.ts
@@ -92,9 +92,11 @@ describe(FetchHttpHandler.name, () => {
       const username = "foo";
       const password = "bar";
       const mockHttpRequest = getMockHttpRequest({ username, password });
-      await fetchHttpHandler.handle(mockHttpRequest).catch(error => {
-        expect(String(error)).toContain("TypeError: Request cannot be constructed from a URL that includes credentials");
-      })
+      await fetchHttpHandler.handle(mockHttpRequest).catch((error) => {
+        expect(String(error)).toContain(
+          "TypeError: Request cannot be constructed from a URL that includes credentials"
+        );
+      });
 
       const mockAuth = `${mockHttpRequest.username}:${mockHttpRequest.password}`;
       const expectedUrl = `${mockHttpRequest.protocol}//${mockAuth}@${mockHttpRequest.hostname}/`;
diff --git a/packages/node-http-handler/src/server.mock.ts b/packages/node-http-handler/src/server.mock.ts
index 5cc09c40f40..a904cd0034e 100644
--- a/packages/node-http-handler/src/server.mock.ts
+++ b/packages/node-http-handler/src/server.mock.ts
@@ -27,7 +27,9 @@ const setResponseBody = (response: ServerResponse, body: string | NodeJsRuntimeB
 export const createResponseFunction =
   (httpResp: HttpResponse) => (request: IncomingMessage, response: ServerResponse) => {
     response.statusCode = httpResp.statusCode;
-    response.statusMessage = httpResp.reason;
+    if (httpResp.reason) {
+      response.statusMessage = httpResp.reason;
+    }
     setResponseHeaders(response, httpResp.headers);
     setResponseBody(response, httpResp.body);
   };
@@ -35,7 +37,9 @@ export const createResponseFunction =
 export const createResponseFunctionWithDelay =
   (httpResp: HttpResponse, delay: number) => (request: IncomingMessage, response: ServerResponse) => {
     response.statusCode = httpResp.statusCode;
-    response.statusMessage = httpResp.reason;
+    if (httpResp.reason) {
+      response.statusMessage = httpResp.reason;
+    }
     setResponseHeaders(response, httpResp.headers);
     timing.setTimeout(() => setResponseBody(response, httpResp.body), delay);
   };