less artificial MS-SQL test failures on AR-2.3

Author: kares

test/db/mssql/limit_offset_test.rb

@@ -108,7 +108,7 @@ def test_limit_with_alternate_named_primary_key
     end
     ships = LegacyShip.limit(3)
     assert_equal(3, ships.size)
-  end
+  end if ar_version('3.0')
 
   def test_limit_and_offset
     %w(one two three four five six seven eight).each do |name|
@@ -176,5 +176,6 @@ def test_limit_with_group_by
 
     ships = LongShip.group(:name).find(:all, :limit => 2)
     asset_equal(['one', 'two'], ships.map(&:name))
-  end
+  end if ar_version('3.0')
+  
 end

test/db/mssql/types_test.rb

@@ -31,7 +31,7 @@ def test_datetime
     datetime = DateTime.parse('2012-12-21T21:11:01')
     model = DateAndTime.create! :datetime => datetime
     assert_datetime_equal datetime, model.reload.datetime
-  end
+  end if ar_version('3.0')
 
   if ActiveRecord::Base.connection.sqlserver_version >= '2008'
 
@@ -67,7 +67,7 @@ def test_datetime2
       model = DateAndTime.create! :datetime2 => datetime
       assert_not_nil model.datetime2
       assert_datetime_equal datetime, model.reload.datetime2
-    end
+    end if ar_version('3.0')
 
     def test_datetime25
 #      id = DateAndTime.connection.insert 'INSERT INTO date_and_times ([datetime25])' +