Revert "clutter test: add omit to easing_delay test"
Revert "clutter test: add omit to easing_delay test"

This reverts commit eb4e3a8ef298d71e2e22cef6636f786f760e1bd6.

This workaround is too facile solution.
More investigation is needed.

kitachro/ruby-gnome2,kitachro/ruby-gnome2,kitachro/ruby-gnome2,kitachro/ruby-gnome2,kitachro/ruby-gnome2