Skip crashing tests and ignore failing tests on CMake platforms.
Add missing QTEST_ENVIRONMENT=ci env var assignment to Coin test
instructions. This was hardcoded by the Coin code for qmake
configurations.
Task-number: QTBUG-85364
Change-Id: Id2312e504a0d36b8f8596d4cebaa49c63731406e
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
