Xintao
Let multiple tests run over different threads, meanwhile each configuration doesn't affect others. - expose `FailPointRegistry` as local registry. - `pub fn create_registry() -> FailPointRegistry` can get a new `FailPointRegistry`....
gcc toolchain: 8.3.0 debian 10 with only build-essential, cmake and libssl-dev installed. I don't install full dependency because I want `getdep` to do this. So just run `./build.sh` and got...
Signed-off-by: Xintao
### What problem does this PR solve? Issue Number: close #8259 Problem Summary: Support parallel running for failpoints test ### What is changed and how it works? - patch grpcio...