tests(integration): deep cover refresh-token grant type

Author: jankapunkt

lib/grant-types/refresh-token-grant-type.js

@@ -130,8 +130,8 @@ class RefreshTokenGrantType extends AbstractGrantType {
     const accessTokenExpiresAt = await this.getAccessTokenExpiresAt();
     const refreshTokenExpiresAt = await this.getRefreshTokenExpiresAt();
     const token = {
-      accessToken: accessToken,
-      accessTokenExpiresAt: accessTokenExpiresAt,
+      accessToken,
+      accessTokenExpiresAt,
       scope: scope,
     };