Update site empty feature to handle sticky posts

Author: thrijith

features/site-empty.feature

@@ -44,6 +44,15 @@ Feature: Empty a WordPress site of its data
       {PAGE_ID}
       """
 
+    When I run `wp post create --post_title='Sticky Post' --post_content='This is just a sticky post' --porcelain`
+    Then save STDOUT as {STICKY_POST_ID}
+
+    When I run `wp option set sticky_posts '[{STICKY_POST_ID}]' --format=json`
+    Then STDOUT should be:
+      """
+      Success: Updated 'sticky_posts' option.
+      """
+
     When I run `wp site empty --yes`
     Then STDOUT should be:
       """
@@ -63,6 +72,12 @@ Feature: Empty a WordPress site of its data
       0
       """
 
+    When I run `wp option get sticky_posts --format=json`
+    Then STDOUT should be:
+      """
+      []
+      """
+
   Scenario: Empty a site and its uploads directory
     Given a WP multisite installation
     And I run `wp site create --slug=foo`

src/Site_Command.php

@@ -176,6 +176,9 @@ private function insert_default_terms() {
 	private function reset_options() {
 		// Reset Privacy Policy value to prevent error.
 		update_option( 'wp_page_for_privacy_policy', 0 );
+
+		// Reset sticky posts option.
+		update_option( 'sticky_posts', [] );
 	}
 
 	/**