Tests: Prevent Twenty Seventeen from interfering with Customizer ajax tests.

Missed in [38850].

See #38372.



git-svn-id: https://develop.svn.wordpress.org/trunk@38851 602fd350-edb4-49c9-b593-d223f7449a82

tests/phpunit/tests/customize/selective-refresh-ajax.php

@@ -52,6 +52,8 @@ class Test_WP_Customize_Selective_Refresh_Ajax extends WP_UnitTestCase {
 			$this->selective_refresh = $this->wp_customize->selective_refresh;
 		}
 
+		// Remove default theme actions that interfere with tests
+		remove_action( 'customize_register', 'twentyseventeen_customize_register' );
 	}
 
 	/**