diff --git a/packages/services/test/gateway/LocalGateway.spec.ts b/packages/services/test/gateway/LocalGateway.spec.ts
index 9efb587f..a37978af 100644
--- a/packages/services/test/gateway/LocalGateway.spec.ts
+++ b/packages/services/test/gateway/LocalGateway.spec.ts
@@ -3,12 +3,14 @@ import { describe, expect, it } from 'vitest';
 
 import InvalidTrustKey from '../../src/gateway/errors/InvalidTrustKey';
 
-import { LOCAL_GATEWAYS, REMOTE_WORKERS, VALUES } from './fixtures';
+import { LOCAL_GATEWAYS, REMOTE_WORKERS } from './fixtures';
 
 const publicGateway = LOCAL_GATEWAYS.PUBLIC;
 const protectedGateway = LOCAL_GATEWAYS.PROTECTED;
 
 const emptyWorker = REMOTE_WORKERS.EMPTY;
+const trustedWorker = REMOTE_WORKERS.TRUSTED;
+const untrustedWorker = REMOTE_WORKERS.UNTRUSTED;
 
 describe('gateway/LocalGateway', () =>
 {
@@ -23,14 +25,14 @@ describe('gateway/LocalGateway', () =>
 
         it('should add a worker with a valid trust key to a protected gateway', () =>
         {
-            const promise = protectedGateway.addWorker(emptyWorker, VALUES.TRUST_KEY);
+            const promise = protectedGateway.addWorker(trustedWorker);
 
             expect(promise).resolves.toBeUndefined();
         });
 
         it('should not add a worker with an invalid trust key to a protected gateway', () =>
         {
-            const promise = protectedGateway.addWorker(emptyWorker, 'INCORRECT_ACCESS_KEY');
+            const promise = protectedGateway.addWorker(untrustedWorker);
 
             expect(promise).rejects.toEqual(new InvalidTrustKey());
         });
diff --git a/packages/services/test/gateway/fixtures/localGateways.fixture.ts b/packages/services/test/gateway/fixtures/localGateways.fixture.ts
index e171ab30..18fb3459 100644
--- a/packages/services/test/gateway/fixtures/localGateways.fixture.ts
+++ b/packages/services/test/gateway/fixtures/localGateways.fixture.ts
@@ -4,7 +4,7 @@ import LocalGateway from '../../../src/gateway/LocalGateway';
 import { VALUES } from './values.fixture';
 
 const url = VALUES.URL;
-const trustKey = VALUES.TRUST_KEY;
+const trustKey = VALUES.VALID_TRUST_KEY;
 
 const publicGateway = new LocalGateway({ url });
 const protectedGateway = new LocalGateway({ url, trustKey});
diff --git a/packages/services/test/gateway/fixtures/remoteWorkers.fixture.ts b/packages/services/test/gateway/fixtures/remoteWorkers.fixture.ts
index 1c0d1826..4a54b50f 100644
--- a/packages/services/test/gateway/fixtures/remoteWorkers.fixture.ts
+++ b/packages/services/test/gateway/fixtures/remoteWorkers.fixture.ts
@@ -26,6 +26,9 @@ const remote = REMOTES.DUMMY;
 const noProcedureNames = new Set<string>();
 const emptyWorker = new RemoteWorker({ url, procedureNames: noProcedureNames, remote });
 
+const trustedWorker = new RemoteWorker({ url, procedureNames: noProcedureNames, remote, trustKey: VALUES.VALID_TRUST_KEY });
+const untrustedWorker = new RemoteWorker({ url, procedureNames: noProcedureNames, remote, trustKey: VALUES.INVALID_TRUST_KEY });
+
 const firstProcedureNames = new Set<string>(['first']);
 const firstWorker = new RemoteWorker({ url, procedureNames: firstProcedureNames, remote });
 
@@ -38,6 +41,8 @@ const unhealthyWorker = new UnhealthyWorker({ url, procedureNames: noProcedureNa
 export const REMOTE_WORKERS =
 {
     EMPTY: emptyWorker,
+    TRUSTED: trustedWorker,
+    UNTRUSTED: untrustedWorker,
     FIRST: firstWorker,
     SECOND: secondWorker,
     HEALTHY: healthyWorker,
diff --git a/packages/services/test/gateway/fixtures/remotes.fixture.ts b/packages/services/test/gateway/fixtures/remotes.fixture.ts
index 0ef87e97..91789d8f 100644
--- a/packages/services/test/gateway/fixtures/remotes.fixture.ts
+++ b/packages/services/test/gateway/fixtures/remotes.fixture.ts
@@ -39,6 +39,12 @@ class DummyRemote implements Remote
         throw new NotImplemented();
     }
 
+    // eslint-disable-next-line @typescript-eslint/no-unused-vars
+    removeWorker(workerUrl: string, trustKey?: string): Promise<void>
+    {
+        throw new NotImplemented();    
+    }
+
     // eslint-disable-next-line @typescript-eslint/no-unused-vars
     async run(request: Request): Promise<Response>
     {
diff --git a/packages/services/test/gateway/fixtures/values.fixture.ts b/packages/services/test/gateway/fixtures/values.fixture.ts
index d292da82..13c42cb5 100644
--- a/packages/services/test/gateway/fixtures/values.fixture.ts
+++ b/packages/services/test/gateway/fixtures/values.fixture.ts
@@ -2,5 +2,6 @@
 export const VALUES =
 {
     URL: 'http://localhost:80',
-    TRUST_KEY: 'MY_TRUSTED_ACCESS_KEY'
+    VALID_TRUST_KEY: 'MY_TRUSTED_ACCESS_KEY',
+    INVALID_TRUST_KEY: 'INCORRECT_ACCESS_KEY'
 };