diff --git a/lib/auth/Vault.ts b/lib/auth/Vault.ts
index 776f62145..33097feae 100644
--- a/lib/auth/Vault.ts
+++ b/lib/auth/Vault.ts
@@ -1,6 +1,7 @@
 import { Logger } from 'werelogs';
 import errors from '../errors';
 import AuthInfo, { AccountInfos, AuthInfoType, AuthorizationResults, AuthV4Results } from './AuthInfo';
+import RequestContext from '../policyEvaluator/RequestContext';
 
 /** vaultSignatureCb parses message from Vault and instantiates
  * @param err - error from vault
@@ -86,6 +87,15 @@ export type AuthV4RequestParams = {
     };
 };
 
+export type AuthenticationOptions = {
+    algo?: 'sha1' | 'sha256'; // for v2 auth
+    reqUid?: string;
+    get?: boolean;
+    logger?: Logger;
+    requestContext?: RequestContext;
+    securityToken?: string;
+};
+
 /**
  * Class that provides common authentication methods against different
  * authentication backends.
@@ -196,7 +206,7 @@ export default class Vault {
         params: AuthV4RequestParams,
         requestContexts: any[] | null,
         callback: (err: Error | null, data?: any) => void,
-        options: any = {},
+        options: AuthenticationOptions = {},
     ) {
         params.log.debug('authenticating V4 request');
         let serializedRCs: any;
diff --git a/tests/unit/auth/auth.spec.js b/tests/unit/auth/auth.spec.js
index ebeb11f2f..a993888b6 100644
--- a/tests/unit/auth/auth.spec.js
+++ b/tests/unit/auth/auth.spec.js
@@ -6,7 +6,7 @@ const Vault = require('../../../lib/auth/Vault').default;
 const assert = require('assert');
 const sinon = require('sinon');
 
-describe.only('auth.doAuth', () => {
+describe('auth.doAuth', () => {
     let request;
     let log;
     let cb;
@@ -19,7 +19,7 @@ describe.only('auth.doAuth', () => {
     const xAMZcontentSha256 = '771df8abbecb2265e9724e5dc4510dcc160' +
         '60c0513ae669baf35b255d465b63f';
     const host = 'localhost:8000';
-    const xAMZdate = '20270208T201405Z';
+    const xAmzDate = '2027-02-08T20:14:05Z';
     const authorization = 'AWS4-HMAC-SHA256 Credential=accessKey1/20270208' +
         '/us-east-1/s3/aws4_request, SignedHeaders=host;x-amz-content-sha256;' +
         'x-amz-date, Signature=abed924c06abf8772c670064d22eacd6ccb85c06befa15f' +
@@ -27,7 +27,7 @@ describe.only('auth.doAuth', () => {
     const headers = {
         host,
         authorization,
-        'x-amz-date': xAMZdate,
+        'x-amz-date': '20270208T201405Z',
         'x-amz-content-sha256': xAMZcontentSha256,
     };
 
@@ -89,7 +89,7 @@ describe.only('auth.doAuth', () => {
             query: {},
         };
         // Mock the v4 authentication method
-        const clock = fakeTimers.install({ now: new Date('2027-02-08T20:14:05Z').getTime() });
+        const clock = fakeTimers.install({ now: new Date(xAmzDate).getTime() });
 
         
         const authenticateV4RequestStub = sandbox.stub(vault, 'authenticateV4Request');
@@ -122,7 +122,7 @@ describe.only('auth.doAuth', () => {
             query: {},
         };
         // Mock the v4 authentication method
-        const clock = fakeTimers.install({ now: new Date('2027-02-08T20:14:05Z').getTime() });
+        const clock = fakeTimers.install({ now: new Date(xAmzDate).getTime() });
         mockOptions = { get: true };
                 
         const authenticateV4RequestStub = sandbox.stub(vault, 'authenticateV4Request');