Added a test for appending the API key to a URL parameter

Signed-off-by: Karan Shah <karan.shah@simplybusiness.co.uk>

plugins/airbrake-backend/src/service/router.test.ts

@@ -58,7 +58,7 @@ describe('createRouter', () => {
   });
 
   describe('GET /api', () => {
-    it('appends the API Key properly', () => {
+    it('appends the API Key properly with no other url parameters', () => {
       const options: RouterOptions = {
         logger: getVoidLogger(),
         airbrakeConfig,
@@ -71,5 +71,21 @@ describe('createRouter', () => {
         '/random/endpoint?key=fakeApiKey',
       );
     });
+
+    it('appends the API Key properly despite there being other URL parameters', () => {
+      const options: RouterOptions = {
+        logger: getVoidLogger(),
+        airbrakeConfig,
+      };
+      const pathRewrite = generateAirbrakePathRewrite(options) as (
+        path: string,
+      ) => string;
+
+      expect(
+        pathRewrite(
+          '/airbrake-backend/api/random/endpoint?param1=123&param2=abc',
+        ),
+      ).toBe('/random/endpoint?param1=123&param2=abc&key=fakeApiKey');
+    });
   });
 });