Fix failing tests when object cache is on (#607)

Author: swissspidy

features/comment-recount.feature

@@ -11,7 +11,7 @@ Feature: Recount comments on a post
       3
       """
 
-    When I run `wp eval 'global $wpdb; $wpdb->update( $wpdb->posts, array( "comment_count" => 1 ), array( "ID" => 1 ) );'`
+    When I run `wp eval 'global $wpdb; $wpdb->update( $wpdb->posts, array( "comment_count" => 1 ), array( "ID" => 1 ) ); clean_post_cache( 1 );'`
     And I run `wp post get 1 --field=comment_count`
     Then STDOUT should be:
       """

features/menu-item.feature

@@ -103,6 +103,7 @@ Feature: Manage WordPress menu items
       | Child       | {CHILD_ID}       | {PARENT_ID}      |
 
     When I run `wp menu item delete {PARENT_ID}`
+    And I run `wp cache flush`
     And I run `wp menu item list grandparent-test --fields=title,db_id,menu_item_parent`
     Then STDOUT should be a table containing rows:
       | title       | db_id            | menu_item_parent |

features/option-list.feature

@@ -1,5 +1,6 @@
 Feature: List WordPress options
 
+  @skip-object-cache
   Scenario: Using the `--transients` flag
     Given a WP install
     And I run `wp transient set wp_transient_flag wp_transient_flag`

features/term-recount.feature

@@ -40,7 +40,7 @@ Feature: Recount terms on a taxonomy
       """
       1
       """
-    When I run `wp eval 'global $wpdb; $wpdb->update( $wpdb->term_taxonomy, array( "count" => 3 ), array( "term_id" => {TERM_ID} ) );'`
+    When I run `wp eval 'global $wpdb; $wpdb->update( $wpdb->term_taxonomy, array( "count" => 3 ), array( "term_id" => {TERM_ID} ) ); clean_term_cache( {TERM_ID}, "category" );'`
     And I run `wp term get category {TERM_ID} --field=count`
     Then STDOUT should be:
       """