added csharp tests
added csharp tests

MikeMirzayanov/binary-heap-benchmark,MikeMirzayanov/binary-heap-benchmark,MikeMirzayanov/binary-heap-benchmark,MikeMirzayanov/binary-heap-benchmark,MikeMirzayanov/binary-heap-benchmark,MikeMirzayanov/binary-heap-benchmark,MikeMirzayanov/binary-heap-benchmark,MikeMirzayanov/binary-heap-benchmark,MikeMirzayanov/binary-heap-benchmark,MikeMirzayanov/binary-heap-benchmark,MikeMirzayanov/binary-heap-benchmark