message: techdocs-backend: update TokenManager mock in collator test suite
diff: @@ -100,7 +100,7 @@ describe('DefaultTechDocsCollator with legacyPathCasing configuration', () => {
  };
  mockTokenManager = {
  getToken: jest.fn().mockResolvedValue({ token: '' }),
  - validateToken: jest.fn(),
  + authenticate: jest.fn(),
  };
  const mockConfig = new ConfigReader({
  techdocs: {
  @@ -166,7 +166,7 @@ describe('DefaultTechDocsCollator', () => {
  };
  mockTokenManager = {
  getToken: jest.fn().mockResolvedValue({ token: '' }),
  - validateToken: jest.fn(),
  + authenticate: jest.fn(),
  };
  collator = DefaultTechDocsCollator.fromConfig(new ConfigReader({}), {
  discovery: mockDiscoveryApi,
  