test: wait for prompt before initial break in debugger tests

Author: inoway46

test/parallel/test-debugger-backtrace.js

@@ -17,6 +17,7 @@ const path = require('path');
 
   async function runTest() {
     try {
+      await cli.waitForPrompt();
       await cli.waitForInitialBreak();
       await cli.waitForPrompt();
       await cli.stepCommand('c');

test/parallel/test-debugger-break.js

@@ -14,6 +14,7 @@ const script = path.relative(process.cwd(), scriptFullPath);
 const cli = startCLI([script]);
 
 (async () => {
+  await cli.waitForPrompt();
   await cli.waitForInitialBreak();
   await cli.waitForPrompt();
   assert.deepStrictEqual(

test/parallel/test-debugger-clear-breakpoints.js

@@ -20,7 +20,8 @@ const path = require('path');
     throw error;
   }
 
-  return cli.waitForInitialBreak()
+  return cli.waitForPrompt()
+    .then(() => cli.waitForInitialBreak())
     .then(() => cli.waitForPrompt())
     .then(() => cli.command('sb("break.js", 3)'))
     .then(() => cli.command('sb("break.js", 9)'))

test/parallel/test-debugger-sb-before-load.js

@@ -20,6 +20,7 @@ const otherScript = path.relative(process.cwd(), otherScriptFullPath);
 const cli = startCLI([script]);
 
 (async () => {
+  await cli.waitForPrompt();
   await cli.waitForInitialBreak();
   await cli.waitForPrompt();
   await cli.command('sb("other.js", 2)');