[Rails3] Passing a few smaller tests.

Author: metaskills

lib/active_record/connection_adapters/sqlserver/schema_statements.rb

@@ -85,6 +85,7 @@ def add_column(table_name, column_name, type, options = {})
         end
 
         def remove_column(table_name, *column_names)
+          raise ArgumentError.new("You must specify at least one column name.  Example: remove_column(:people, :first_name)") if column_names.empty?
           column_names.flatten.each do |column_name|
             remove_check_constraints(table_name, column_name)
             remove_default_constraint(table_name, column_name)

test/cases/pessimistic_locking_test_sqlserver.rb

@@ -89,7 +89,7 @@ def setup
         first, second = duel(zzz) { Person.find 1, :lock => true }
         second.end > first.end
       }
-    end
+    end if RUBY_VERSION < '1.9'
 
   end