Integration tests: Select: Updating test for correct button update.
Integration tests: Select: Removing test for the presence of ui-btn-down-c.
Integration tests: Select: Removed duplicate test.
Integration tests: Select: Whitespace fix.
Unit tests: Select: Removing outdated and duplicated asynchronous test.
Automated tests: Select: Moving test for correct placeholder handling from unit tests to integration tests, because it is asynchronous.
Integration tests: Select: Remove duplicate test which is also present in and should stay in unit tests.
Automated tests: Select: Move label overflow test to integration tests.
Integration tests: Select: Remove test that makes sure that a select inside a popup is rendered as native, because it is duplicated from the unit tests.
Integration tests: Moving sequence test for focus transfer from unit tests to integration tests.
Automated tests: Custom select: Move highlight checking test from unit tests to integration tests.
Integration tests: Select: Removing test titled "enabling and disabling" from integration tests, because it is also present in the unit tests and more properly resides there.
Automated tests: Custom select: Moving test that checks whether adding options causes them to be reflected in the widget from unit tests to integration tests.
Integration tests: Select: Test for properly applied theme removed because it is duplicated in unit tests.
Integration tests: Select: Theme inheritance test removed because it is also present in the unit tests and more properly resides there.
Integration tests: Select: Removing some synchronous tests which are duplicated in the unit tests anyway.
Integration tests: Custom select: Removing test that checks whether placeholder is kept in sync across refresh() calls because it is also present in the unit tests, where it belongs.