Also removed skipped tests on "viz" and "tree" because they
blocked integration/buildfile_test.go removing.
Docker-DCO-1.1-Signed-off-by: Alexandr Morozov <lk4d4math@gmail.com> (github: LK4D4)
Upstream-commit: 1d4862b7a2d0c3b0641ce6d539eabecee686c794
Component: engine