NSHM Unit tests

When running NSHM unit tests in pipeline, instead of running the hazard calculation in the junit test itself the hazard calculation is done by running a java class and writing out the results to JSON files.

.gitlab-ci.yml

@@ -239,6 +239,7 @@ NSHM Tests:
       - CMD: testConus2023
       - CMD: testHawaii2021
   script:
+    - yum install procps -y
     - memory="$(free -g | awk '/^Mem:/{print $2}')";
     - export CI_RUNNER_MEMORY="$(printf "%.f" "$(echo "${memory} * 0.90" | bc)")g";
     - echo "${CI_RUNNER_MEMORY}"