update e2e test

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

@@ -4,8 +4,10 @@ import EventEmitter from 'events'
 class WaitForElementContainsText extends EventEmitter {
   command (this: NightwatchBrowser, id: string, value: string, timeout = 10000): NightwatchBrowser {
     let waitId // eslint-disable-line
+    let currentValue
     const runid = setInterval(() => {
       this.api.getText(id, (result) => {
+        currentValue = result.value
         if (typeof result.value === 'string' && result.value.indexOf(value) !== -1) {
           clearInterval(runid)
           clearTimeout(waitId)
@@ -17,7 +19,7 @@ class WaitForElementContainsText extends EventEmitter {
 
     waitId = setTimeout(() => {
       clearInterval(runid)
-      this.api.assert.fail(`TimeoutError: An error occurred while running .waitForElementContainsText() command on ${id} after ${timeout} milliseconds`)
+      this.api.assert.fail(`TimeoutError: An error occurred while running .waitForElementContainsText() command on ${id} after ${timeout} milliseconds. expected: ${value} - got: ${currentValue}`)
     }, timeout)
     return this
   }