add the casting node to the AST at build time

If we add the casting node to the ast at build time, then we can avoid
doing the lookup at visit time.

1 files changed, 1 insertions, 1 deletions

diff --git a/test/nodes/test_grouping.rb b/test/nodes/test_grouping.rb
index b7aa51d37f..febf0bee40 100644
--- a/test/nodes/test_grouping.rb
+++ b/test/nodes/test_grouping.rb
@@ -4,7 +4,7 @@ module Arel
   module Nodes
     describe 'Grouping' do
       it 'should create Equality nodes' do
-        grouping = Grouping.new('foo')
+        grouping = Grouping.new(Nodes.build_quoted('foo'))
         grouping.eq('foo').to_sql.must_be_like %q{('foo') = 'foo'}
       end