CMake build broken in master

introduced with qtjsbackend commit 1cc6b7a92b326842d2dcd57b55303077d1f3efc3 ?

CMake Error at /home/users/user/qt5/qtbase/lib/cmake/Qt5QuickTest/Qt5QuickTestConfig.cmake:33 (find_package):
Could not find a package configuration file provided by "Qt5V8" with any of
the following names:

Qt5V8Config.cmake
qt5v8-config.cmake