[fenix] For https://github.com/mozilla-mobile/fenix/issues/12968: Re-enables Search settings tests (https://github.com/mozilla-mobile/fenix/pull/13020)

app/src/androidTest/java/org/mozilla/fenix/ui/SearchTest.kt

@@ -66,7 +66,6 @@ class SearchTest {
         }
     }
 
-    @Ignore("Failing, see: https://github.com/mozilla-mobile/fenix/issues/12968")
     @Test
     fun shortcutSearchEngineSettingsTest() {
         homeScreen {

app/src/androidTest/java/org/mozilla/fenix/ui/SettingsBasicsTest.kt

@@ -60,7 +60,6 @@ class SettingsBasicsTest {
         }
     }
 
-    @Ignore("Failing, see: https://github.com/mozilla-mobile/fenix/issues/12968")
     @Test
     // Walks through settings menu and sub-menus to ensure all items are present
     fun settingsMenuBasicsItemsTests() {
@@ -91,7 +90,6 @@ class SettingsBasicsTest {
         }
     }
 
-    @Ignore("Failing, see: https://github.com/mozilla-mobile/fenix/issues/12968")
     @Test
     fun selectNewDefaultSearchEngine() {
         // Goes through the settings and changes the default search engine, then verifies it has changed.