fixed getter issue of the second momentum

8 jobs for pressure_tensor_test in 11 minutes and 56 seconds (queued for 1 second)
Name Stage Failure
failed
tests-and-coverage Pretest
Uploading artifacts as "archive" to coordinator... ok  id=608421 responseStatus=201 Created token=zYTQeVxe
Uploading artifacts...
WARNING: coverage.xml: no matching files
ERROR: No files to upload
Uploading artifacts...
report.xml: found 1 matching files and directories

Uploading artifacts as "junit" to coordinator... ok
id=608421 responseStatus=201 Created token=zYTQeVxe
Cleaning up file based variables
ERROR: Job failed: exit code 1