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

@@ -239,9 +239,8 @@ NSHM Tests:
       - CMD: testConus2023
       - CMD: testHawaii2021
   script:
-    - CI_RUNNER_MEMORY="$(awk '/MemTotal/ {printf( "%d\n", $2 / 1024 / 1024 * .90 )}' /proc/meminfo)"
+    - CI_RUNNER_MEMORY="$(awk '/MemTotal/ {printf( "%d\n", $2 / 1024 / 1024 * .90 )}' /proc/meminfo)g"
     - export CI_RUNNER_MEMORY
-    - echo "${CI_RUNNER_MEMORY}"
     - ./gradlew ${CMD}
     - cat ${JACOCO_HTML_DIR}/index.html
   stage: test