Make fields in TestDeviceSchema required

Author: tagboola

src/mcp/tools/apptesting/tests.ts

@@ -5,10 +5,15 @@ import { distribute, Distribution } from "../../../appdistribution/distribution"
 import { tool } from "../../tool";
 import { toContent } from "../../util";
 import { parseIntoStringArray, toAppName } from "../../../appdistribution/options-parser-util";
-import { TestDevice } from "../../../appdistribution/types";
 
 const TestDeviceSchema = z
-  .custom<TestDevice>()
+  .object({
+    model: z.string(),
+    version: z.string(),
+    locale: z.string(),
+    orientation: z.enum(["portrait", "landscape"]),
+  })
+  .required()
   .describe(
     `Device to run automated test on. Can run 'gcloud firebase test android|ios models list' to see available devices.`,
   );