Make test reset helpers async

Unnecessary awaits should be avoided, generally these methods are meant
to be called at the beginning of the test and for best performance we
should wait on tasks right before an assertion.

Author: ellnix

spec/support/models/animals.rb

@@ -34,9 +34,9 @@ def ms_id
 
 module TestUtil
   def self.reset_animals!
-    Cat.clear_index!(true)
+    Cat.clear_index!
     Cat.delete_all
-    Dog.clear_index!(true)
+    Dog.clear_index!
     Dog.delete_all
   end
 end

spec/support/models/book.rb

@@ -35,7 +35,7 @@ def public?
 
 module TestUtil
   def self.reset_books!
-    Book.clear_index!(true)
+    Book.clear_index!
     Book.index(safe_index_uid('BookAuthor')).delete_all_documents
     Book.index(safe_index_uid('Book')).delete_all_documents
   end

spec/support/models/color.rb

@@ -39,7 +39,7 @@ def will_save_change_to_short_name?
 
 module TestUtil
   def self.reset_colors!
-    Color.clear_index!(true)
+    Color.clear_index!
     Color.delete_all
   end
 end

spec/support/models/movie.rb

@@ -15,7 +15,7 @@ class Movie < ActiveRecord::Base
 
 module TestUtil
   def self.reset_movies!
-    Movie.clear_index!(true)
+    Movie.clear_index!
     Movie.delete_all
   end
 end

spec/support/models/people.rb

@@ -25,7 +25,7 @@ def will_save_change_to_full_name?
 
 module TestUtil
   def self.reset_people!
-    People.clear_index!(true)
+    People.clear_index!
     People.delete_all
   end
 end