Remove Capabilities from WP admin for specific user role

You can add a condition on capabilities in order to exclude the admin from the unset action for example

add_filter( 'post_row_actions', 'remove_row_actions', 10, 2 );
function remove_row_actions_staff( $actions, $post ){
  //This line stops function execution if user has some admin capabilities 
  if( current_user_can( 'administrator' ) ):
    return $actions;
   endif; 

  if( $post->post_type() === 'wiki-testimonials' )
    unset( $actions['view'] );
    unset( $actions['edit'] );
  return $actions;
}