chore: improve testing

Author: bdfinst

SIZING_QUICK_REFERENCE.md

@@ -1,6 +1,23 @@
 import '@testing-library/jest-dom'
 import { cleanup } from '@testing-library/svelte'
-import { afterEach } from 'vitest'
+import { afterEach, beforeAll } from 'vitest'
+
+// Suppress jsdom navigation warnings
+// jsdom doesn't support window.open or target="_blank" navigation
+const originalConsoleError = console.error
+beforeAll(() => {
+	console.error = (...args) => {
+		const message = args[0]
+		if (
+			typeof message === 'string' &&
+			(message.includes('Not implemented: navigation') ||
+				message.includes('Not implemented: HTMLFormElement'))
+		) {
+			return // Suppress expected jsdom limitations
+		}
+		originalConsoleError.apply(console, args)
+	}
+})
 
 afterEach(() => {
 	cleanup()

src/test/setup.js

@@ -195,6 +195,9 @@ describe('GetPracticeTreeService', () => {
 		})
 
 		it('returns error for non-existent practice', async () => {
+			// Suppress expected error from practice not found
+			const errorSpy = vi.spyOn(console, 'error').mockImplementation(() => {})
+
 			const mockRepository = {
 				getPracticeTree: vi.fn().mockResolvedValue(null)
 			}
@@ -204,6 +207,8 @@ describe('GetPracticeTreeService', () => {
 
 			expect(result.success).toBe(false)
 			expect(result.error).toBeDefined()
+
+			errorSpy.mockRestore()
 		})
 
 		it('preserves quickStartGuide alongside maturityLevel', async () => {