fixed logger tests

libs/logger/test/advanced.test.ts

@@ -6,7 +6,7 @@
  */
 
 import { describe, it, expect, beforeEach, afterEach } from 'bun:test';
-import { Logger } from '../src';
+import { Logger, shutdownLoggers } from '../src';
 import { loggerTestHelpers } from './setup';
 
 describe('Advanced Logger Features', () => {
@@ -16,14 +16,10 @@ describe('Advanced Logger Features', () => {
   beforeEach(() => {
     testLoggerInstance = loggerTestHelpers.createTestLogger('advanced-features');
     logger = testLoggerInstance.logger;
-  });
-
-  afterEach(() => {
+  });  afterEach(async () => {
     testLoggerInstance.clearCapturedLogs();
-    // Force garbage collection to clean up any potential circular references
-    if (global.gc) {
-      global.gc();
-    }
+    // Clear any global logger cache
+    await shutdownLoggers();
   });
 
   describe('Complex Metadata Handling', () => {
@@ -148,8 +144,7 @@ describe('Advanced Logger Features', () => {
       expect(logs.length).toBe(1);
       expect(logs[0].context).toBe('batch processing');
     });
-    
-    it('should handle error objects with circular references', () => {
+      it('should handle error objects with circular references', () => {
       const errorWithCircular: any = { name: 'CircularError', message: 'Circular reference error' };
       // Create a simple circular reference
       errorWithCircular.self = errorWithCircular;
@@ -162,6 +157,9 @@ describe('Advanced Logger Features', () => {
       const logs = testLoggerInstance.getCapturedLogs();
       expect(logs.length).toBe(1);
       expect(logs[0].level).toBe('error');
+      
+      // Clean up circular reference to prevent memory issues
+      delete errorWithCircular.self;
     });
   });
   describe('Performance and Edge Cases', () => {