fix(tests): enable cyclic schema MCP tool test (#10912)

integration-tests/test-helper.ts

@@ -195,8 +195,33 @@ export class InteractiveRun {
     expect(found, `Did not find expected text: "${text}"`).toBe(true);
   }
 
-  // Simulates typing a string one character at a time to avoid paste detection.
+  // This types slowly to make sure command is correct, but only work for short
+  // commands that are not multi-line, use sendKeys to type long prompts
   async type(text: string) {
+    let typedSoFar = '';
+    for (const char of text) {
+      this.ptyProcess.write(char);
+      typedSoFar += char;
+
+      // Wait for the typed sequence so far to be echoed back.
+      const found = await poll(
+        () => stripAnsi(this.output).includes(typedSoFar),
+        5000, // 5s timeout per character (generous for CI)
+        10, // check frequently
+      );
+
+      if (!found) {
+        throw new Error(
+          `Timed out waiting for typed text to appear in output: "${typedSoFar}".\nStripped output:\n${stripAnsi(
+            this.output,
+          )}`,
+        );
+      }
+    }
+  }
+
+  // Simulates typing a string one character at a time to avoid paste detection.
+  async sendKeys(text: string) {
     const delay = 5;
     for (const char of text) {
       this.ptyProcess.write(char);