ReWrite some tests to work with jquery-ui v1.11.x

[thgreasi]

Release announcement

Original Issue Title: Add support for jquery-ui v1.11.x

For logging purposes I attach some of the jquery-ui v1.11 resolved issues possibly related to this:
8301 9314 9381

[thgreasi]

I`m renaming this, since it seems that there is a problem just with the simulation of dragging used for some of the tests. All the examples I tried so far worked as expected.