fix tests

Author: transphorm

packages/mobile-sdk-alpha/tests/setup.ts

@@ -26,3 +26,20 @@ if (typeof global !== 'undefined') {
     console.log = originalConsole.log;
   };
 }
+
+// Mock window.matchMedia for Tamagui components
+if (typeof window !== 'undefined') {
+  Object.defineProperty(window, 'matchMedia', {
+    writable: true,
+    value: vi.fn().mockImplementation(query => ({
+      matches: false,
+      media: query,
+      onchange: null,
+      addListener: vi.fn(), // deprecated
+      removeListener: vi.fn(), // deprecated
+      addEventListener: vi.fn(),
+      removeEventListener: vi.fn(),
+      dispatchEvent: vi.fn(),
+    })),
+  });
+}