Remove aria-labelledby on MenuList used without Menu (#389)

Author: mdodgelooker

CHANGELOG.md

@@ -5,6 +5,16 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [UNRELEASE]
+
+### Added
+
+### Changes
+
+### Fixed
+
+- Bad `aria-labelledby` attribute on `MenuList` when used without `Menu`.
+
 ## [0.7.11] - 2020-01-09
 
 ### Added

packages/components/src/Menu/MenuList.tsx

@@ -115,7 +115,7 @@ export const MenuListInternal = forwardRef(
             tabIndex={-1}
             role="menu"
             id={id}
-            aria-labelledby={`button-${id}`}
+            aria-labelledby={id && `button-${id}`}
             {...props}
           >
             {children}