test: isolate diagnostic logger spy history (#2362)

src/ink/output.test.ts

@@ -71,6 +71,7 @@ function writeFullFrame(output: Output, width: number, height: number): void {
 
 beforeEach(() => {
   logSpy = spyOn(debug, 'logForDebugging').mockImplementation(() => {})
+  logSpy.mockClear()
 })
 
 afterEach(() => {

src/utils/context.test.ts

@@ -575,6 +575,7 @@ test('unknown openai-compatible model fallback logs one debug warning and no con
     actualDebugModule,
     'logForDebugging',
   ).mockImplementation((_message, _options) => {})
+  logForDebugging.mockClear()
 
   const originalConsoleError = console.error
   const consoleError = mock(() => {})