Issue #3435933 by Grimreaper: Fix tests

tests/src/Functional/ThemeSettingsFormTest.php

@@ -198,7 +198,7 @@ class ThemeSettingsFormTest extends UiSkinsFunctionalTestBase {
     ]));
     $this->submitForm([
       'ui_skins_css_variables[subsubtheme_group][ui_skins_test_subsubtheme][values_container][0][value]' => 'overridden value',
-    ], $this->t('Save configuration'));
+    ], 'Save configuration');
 
     $theme_settings = $this->config('ui_skins_test_subsubtheme.settings');
     $ui_skins_css_variables = $theme_settings->get(UiSkinsInterface::CSS_VARIABLES_THEME_SETTING_KEY);
@@ -223,7 +223,7 @@ class ThemeSettingsFormTest extends UiSkinsFunctionalTestBase {
     ]));
     $this->submitForm([
       'ui_skins_css_variables[subsubtheme_group][ui_skins_test_subsubtheme][values_container][0][value]' => '0',
-    ], $this->t('Save configuration'));
+    ], 'Save configuration');
 
     $theme_settings = $this->config('ui_skins_test_subsubtheme.settings');
     $ui_skins_css_variables = $theme_settings->get(UiSkinsInterface::CSS_VARIABLES_THEME_SETTING_KEY);

tests/src/Functional/ThemeTest.php

@@ -151,7 +151,7 @@ class ThemeTest extends UiSkinsFunctionalTestBase {
     ]));
     $this->submitForm([
       'ui_skins_theme' => 'ui_skins_test_subsubtheme',
-    ], $this->t('Save configuration'));
+    ], 'Save configuration');
 
     $config = $this->config('ui_skins_test_subsubtheme.settings');
     $ui_skins_theme_mode = $config->get(UiSkinsInterface::THEME_THEME_SETTING_KEY);