Fixed tests of postgresql money insertion when non-C locale

Signed-off-by: NTarmo Tänav <tarmo@itech.ee>
Signed-off-by: NMichael Koziarski <michael@koziarski.com>

activerecord/test/cases/datatype_test_postgresql.rb

@@ -26,6 +26,7 @@ class PostgresqlDataTypeTest < ActiveRecord::TestCase
 
   def setup
     @connection = ActiveRecord::Base.connection
+    @connection.execute("set lc_monetary = 'C'")
 
     @connection.execute("INSERT INTO postgresql_arrays (commission_by_quarter, nicknames) VALUES ( '{35000,21000,18000,17000}', '{foo,bar,baz}' )")
     @first_array = PostgresqlArray.find(1)