Tests: Prevent state leaks in functions tests

tests/phpunit/tests/functions/forceSslAdmin.php

@@ -16,6 +16,13 @@ public function set_up() {
 		force_ssl_admin( false );
 	}
 
+	public function tear_down() {
+		// Restore the boot-time value set by wp_ssl_constants().
+		force_ssl_admin( FORCE_SSL_ADMIN );
+
+		parent::tear_down();
+	}
+
 	/**
 	 * Tests that force_ssl_admin() returns expected values based on various inputs.
 	 *

tests/phpunit/tests/functions/wpTimezoneChoice.php

@@ -10,10 +10,12 @@
 class Tests_Functions_WpTimezoneChoice extends WP_UnitTestCase {
 
 	/**
-	 * Restores the current locale after each test runs.
+	 * Restores the current locale and the timezone translations after each test runs.
 	 */
 	public function tear_down(): void {
 		restore_current_locale();
+		wp_timezone_choice( '', get_locale() );
+
 		parent::tear_down();
 	}