Add missing 'Given a WP install' to ID range scenarios in user, post, and term feature files

Co-authored-by: swissspidy <841956+swissspidy@users.noreply.github.com>

Author: Copilot

features/post.feature

@@ -604,6 +604,8 @@ Feature: Manage WordPress posts
       """
 
   Scenario: Delete posts using ID ranges
+    Given a WP install
+
     When I run `wp post create --post_title='Post A' --porcelain`
     Then STDOUT should be a number
     And save STDOUT as {POST_ID_1}
@@ -631,6 +633,8 @@ Feature: Manage WordPress posts
       """
 
   Scenario: Update posts using ID ranges
+    Given a WP install
+
     When I run `wp post create --post_title='Post A' --post_status=draft --porcelain`
     Then STDOUT should be a number
     And save STDOUT as {POST_ID_1}

features/term.feature

@@ -300,6 +300,8 @@ Feature: Manage WordPress terms
       """
 
   Scenario: Delete terms using ID ranges
+    Given a WP install
+
     When I run `wp term create category 'Range Term A' --porcelain`
     Then STDOUT should be a number
     And save STDOUT as {TERM_ID_1}

features/user.feature

@@ -776,6 +776,8 @@ Feature: Manage WordPress users
       """
 
   Scenario: Delete users using ID ranges
+    Given a WP install
+
     When I run `wp user create testrange1 testrange1@example.com --role=subscriber --porcelain`
     Then STDOUT should be a number
     And save STDOUT as {USER_ID_1}