Fix step definition for checking deleted users

ui/tests/acceptance/pageobjects/accountsPage.js

@@ -14,13 +14,14 @@ module.exports = {
       return this.waitForElementVisible('@accountsListTable')
     },
     isUserListed: async function (username) {
-      let user
       const usernameInTable = util.format(this.elements.userInAccountsList.selector, username)
       await this.useXpath().waitForElementVisible(usernameInTable)
-        .getText(usernameInTable, (result) => {
-          user = result
-        })
-      return user.value
+      return true
+    },
+    isUserDeleted: async function (username) {
+      const usernameInTable = util.format(this.elements.userInAccountsList.selector, username)
+      await this.useXpath().waitForElementNotPresent(usernameInTable)
+      return true
     },
 
     selectRole: function (username, role) {

ui/tests/acceptance/stepDefinitions/accountsContext.js

@@ -7,9 +7,15 @@ When('the user browses to the accounts page', function () {
 })
 
 Then('user {string} should be displayed in the accounts list on the WebUI', async function (username) {
-  await client.page.accountsPage().accountsList(username)
+  await client.page.accountsPage().accountsList()
   const userListed = await client.page.accountsPage().isUserListed(username)
-  return assert.strictEqual(userListed, username)
+  return assert.strictEqual(userListed, true)
+})
+
+Then('user {string} should not be displayed in the accounts list on the WebUI', async function (username) {
+  await client.page.accountsPage().accountsList()
+  const userDeleted = await client.page.accountsPage().isUserDeleted(username)
+  return assert.strictEqual(userDeleted, true)
 })
 
 Given('the user has changed the role of user {string} to {string}', function (username, role) {