Fix locale switcher and cover it with e2e

packages/app/components/languageSwitcher/LanguageList.tsx

@@ -36,7 +36,7 @@ export default class LanguageList extends React.Component<{
         willEnter={this.willEnter}
       >
         {items => (
-          <div className={styles.languagesList}>
+          <div className={styles.languagesList} data-testid="language-list">
             <div
               className={clsx(styles.emptyLanguagesListWrapper, {
                 [styles.emptyLanguagesListVisible]: isListEmpty,

packages/app/components/languageSwitcher/LanguageSwitcher.tsx

@@ -62,7 +62,11 @@ class LanguageSwitcher extends React.Component<
     const { filteredLangs } = this.state;
 
     return (
-      <div className={styles.languageSwitcher}>
+      <div
+        className={styles.languageSwitcher}
+        data-testid="language-switcher"
+        data-e2e-active-locale={selectedLocale}
+      >
         <div className={popupStyles.popup}>
           <div className={popupStyles.header}>
             <h2 className={popupStyles.headerTitle}>