Fix spec/ee/spec/lib/gitlab/geo/health_check_spec.rb

The Geo-related DB files were moved into an ee/ directory, which
caused this spec to fail.

ee/lib/gitlab/geo/health_check.rb

@@ -24,7 +24,7 @@ module Gitlab
 
       def self.db_migrate_path
         # Lazy initialisation so Rails.root will be defined
-        @db_migrate_path ||= File.join(Rails.root, 'db', 'geo', 'migrate')
+        @db_migrate_path ||= File.join(Rails.root, 'ee', 'db', 'geo', 'migrate')
       end
 
       def self.get_database_version