Nexus: no longer require mpirun for test passage #3584
Merged
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Proposed changes
Addresses #3120. Nexus tests no longer strictly require mpirun. If mpirun is detected in the path, it is executed in the tests ("mpirun -np 1 echo run"). Otherwise a serial test is performed ("echo run").
What type(s) of changes does this code introduce?
Does this introduce a breaking change?
What systems has this change been tested on?
Laptop
Checklist