fixup! Update tests to use StringBufferTerminalProvider.getAllOutputAsChunks.

Author: iclanton

libraries/rush-lib/src/api/test/CustomTipsConfiguration.test.ts

@@ -6,8 +6,7 @@ import {
   type IOutputChunk,
   PrintUtilities,
   StringBufferTerminalProvider,
-  Terminal,
-  type TerminalProviderSeverityName
+  Terminal
 } from '@rushstack/terminal';
 
 import { CustomTipId, CustomTipsConfiguration, type ICustomTipsJson } from '../CustomTipsConfiguration';