fix ordered hash expectation in specs, drop rbx-19

.travis.yml

@@ -3,7 +3,6 @@ rvm:
   - 1.9.2
   - ree
   - rbx-18mode
-  - rbx-19mode
   - ruby-head
 
 env:

spec/ransack/search_spec.rb

@@ -124,7 +124,8 @@ module Ransack
         )
         search.result.should be_an ActiveRecord::Relation
         where = search.result.where_values.first
-        where.to_sql.should match /"children_people"."name" = 'Ernie' AND \("people"."name" = 'Ernie' OR "children_people_2"."name" = 'Ernie'\)/
+        where.to_sql.should match /"children_people"."name" = 'Ernie'/
+        where.to_sql.should match /\("people"."name" = 'Ernie' OR "children_people_2"."name" = 'Ernie'\)/
       end
 
       it 'evaluates arrays of groupings' do
@@ -220,4 +221,4 @@ module Ransack
     end
 
   end
-end
+end