tests: new test for EntryType / value_type

refs #661

Signed-off-by: Matthias Kretz <kretz@kde.org>
cmake: new target to run all impls of a test

Signed-off-by: Matthias Kretz <kretz@kde.org>
tests: test for VectorType/vector_type

refs #661

Signed-off-by: Matthias Kretz <kretz@kde.org>