fix command

apps/remix-ide-e2e/src/commands/debugTransaction.ts

@@ -2,7 +2,7 @@ import { NightwatchBrowser } from 'nightwatch'
 import EventEmitter from 'events'
 
 class debugTransaction extends EventEmitter {
-  command (this: NightwatchBrowser, index = 0): NightwatchBrowser {
+  command(this: NightwatchBrowser, index = 0): NightwatchBrowser {
     this.api.perform((done) => {
       checkStyle(this.api, index, () => {
         done()
@@ -13,14 +13,27 @@ class debugTransaction extends EventEmitter {
   }
 }
 
-function checkStyle (browser: NightwatchBrowser, index: number, callback: VoidFunction) {
-  browser.pause(5000).execute(function (index: number) {
+function checkStyle(browser: NightwatchBrowser, index: number, callback: VoidFunction) {
+  let elementsFound = 0
+  browser.waitUntil(() => {
+    browser.findElements({
+      selector: '*[data-shared="txLoggerDebugButton"]',
+      timeout: 60000,
+    }, (result) => {
+      if (Array.isArray(result.value) && result.value.length > 0) {
+        elementsFound = result.value.length
+      }
+    })
+    return elementsFound > index
+  }, 60000)
+  .execute(function (index: number) {
     const debugBtn = document.querySelectorAll('*[data-shared="txLoggerDebugButton"]')[index] as HTMLInputElement
 
     debugBtn && debugBtn.click()
   }, [index], function () {
     browser.waitForElementVisible('*[data-id="buttonNavigatorJumpPreviousBreakpoint"]', 60000).perform(() => callback())
   })
+
 }
 
 module.exports = debugTransaction