The convention is to start the benchmark names with the "tst_bench_"
prefix. This makes it easier to detect the benchmark in tools, such as
the Core Benchmarks Runner.
Change-Id: I2dcebb6cef0aba4133c4135462e8d76387b776bf
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
4623def5fb