Set OpenMP threads for gmxapi test executables.
requested to merge 3485-gmxapimpitests-should-not-automatically-choose-its-number-of-threads into release-2020
Resolve an issue in which the GmxapiMpiTests GTest could cause a fatal error when a test environment has more detected virtual cores than the GROMACS library thinks it should try to use.
Closes #3485 (closed)
Edited by M. Eric Irrgang