fix(tests): mock isHosted in input-validation and function-execute tests

Tests that assert self-hosted localhost behavior need isHosted=false,
which is not guaranteed in CI where NEXT_PUBLIC_APP_URL is set to the
hosted domain.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: waleedlatif1

apps/sim/app/api/function/execute/route.test.ts

@@ -26,6 +26,14 @@ vi.mock('@/lib/execution/e2b', () => ({
   executeInE2B: mockExecuteInE2B,
 }))
 
+vi.mock('@/lib/core/config/feature-flags', () => ({
+  isHosted: false,
+  isE2bEnabled: false,
+  isProd: false,
+  isDev: false,
+  isTest: true,
+}))
+
 import { validateProxyUrl } from '@/lib/core/security/input-validation'
 import { POST } from '@/app/api/function/execute/route'
 

apps/sim/lib/core/security/input-validation.test.ts

@@ -23,6 +23,9 @@ import { validateUrlWithDNS } from '@/lib/core/security/input-validation.server'
 import { sanitizeForLogging } from '@/lib/core/security/redaction'
 
 vi.mock('@sim/logger', () => loggerMock)
+vi.mock('@/lib/core/config/feature-flags', () => ({
+  isHosted: false,
+}))
 
 describe('validatePathSegment', () => {
   describe('valid inputs', () => {