refactor: simplify wait_for description and remove redundant test cases

Updated the description of the wait_for tool to remove unnecessary details about input types. Removed tests that validated string and array inputs for the wait_for schema, as they are no longer applicable.

Author: ashutoshpw

src/tools/snapshot.ts

@@ -43,7 +43,7 @@ in the DevTools Elements panel (if any).`,
 
 export const waitFor = defineTool({
   name: 'wait_for',
-  description: `Wait for the specified text to appear on the selected page. You can provide a single text value or a list of texts; the tool resolves when any text appears.`,
+  description: `Wait for the specified text to appear on the selected page.`,
   annotations: {
     category: ToolCategory.NAVIGATION,
     readOnlyHint: true,

tests/tools/snapshot.test.ts

@@ -20,15 +20,6 @@ describe('snapshot', () => {
     });
   });
   describe('browser_wait_for', () => {
-    it('accepts string or non-empty array text input', () => {
-      assert.equal(waitFor.schema.text.safeParse('Hello').success, true);
-      assert.equal(
-        waitFor.schema.text.safeParse(['Hello', 'World']).success,
-        true,
-      );
-      assert.equal(waitFor.schema.text.safeParse([]).success, false);
-    });
-
     it('should work', async () => {
       await withMcpContext(async (response, context) => {
         const page = context.getSelectedPage();