test: avoid flaky restart sync in debugger exceptions test

Signed-off-by: inoway46 <inoueyuya416@gmail.com>
PR-URL: #62055
Refs: #61762
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Gürgün Dayıoğlu <hey@gurgun.day>

Author: inoway46

test/parallel/test-debugger-exceptions.js

@@ -27,8 +27,10 @@ const path = require('path');
       await cli.waitFor(/disconnect/);
 
       // Next run: With `breakOnException` it pauses in both places.
-      await cli.stepCommand('r');
+      await cli.command('r');
+      await cli.waitFor(/ ok\n/);
       await cli.waitForInitialBreak();
+      await cli.waitForPrompt();
       assert.deepStrictEqual(cli.breakInfo, { filename: script, line: 1 });
       await cli.command('breakOnException');
       await cli.stepCommand('c');
@@ -38,16 +40,20 @@ const path = require('path');
 
       // Next run: With `breakOnUncaught` it only pauses on the 2nd exception.
       await cli.command('breakOnUncaught');
-      await cli.stepCommand('r'); // Also, the setting survives the restart.
+      await cli.command('r'); // Also, the setting survives the restart.
+      await cli.waitFor(/ ok\n/);
       await cli.waitForInitialBreak();
+      await cli.waitForPrompt();
       assert.deepStrictEqual(cli.breakInfo, { filename: script, line: 1 });
       await cli.stepCommand('c');
       assert.ok(cli.output.includes(`exception in ${script}:9`));
 
       // Next run: Back to the initial state! It should die again.
       await cli.command('breakOnNone');
-      await cli.stepCommand('r');
+      await cli.command('r');
+      await cli.waitFor(/ ok\n/);
       await cli.waitForInitialBreak();
+      await cli.waitForPrompt();
       assert.deepStrictEqual(cli.breakInfo, { filename: script, line: 1 });
       await cli.command('c');
       await cli.waitFor(/disconnect/);