chore: selectors refactor in SQLLab test suite (Cypress) (#10944)

* changed selectors for not skipped tests in sqllab suite

* linter fixes

* linter fixes

superset-frontend/src/SqlLab/components/TabbedSqlEditors.jsx

@@ -312,6 +312,7 @@ class TabbedSqlEditors extends React.PureComponent {
         <>
           {isSelected && (
             <DropdownButton
+              data-test="dropdown-toggle-button"
               bsSize="small"
               id={`ddbtn-tab-${i}`}
               title={' '}
@@ -321,6 +322,7 @@ class TabbedSqlEditors extends React.PureComponent {
                 className="close-btn"
                 eventKey="1"
                 onClick={() => this.removeQueryEditor(qe)}
+                data-test="close-tab-menu-option"
               >
                 <div className="icon-container">
                   <i className="fa fa-close" />
@@ -396,12 +398,13 @@ class TabbedSqlEditors extends React.PureComponent {
         onSelect={this.handleSelect.bind(this)}
         id="a11y-query-editor-tabs"
         className="SqlEditorTabs"
+        data-test="sql-editor-tabs"
       >
         {editors}
         <Tab
           title={
             <div>
-              <i className="fa fa-plus-circle" />
+              <i data-test="add-tab-icon" className="fa fa-plus-circle" />
               &nbsp;
             </div>
           }