Copy tests to the correct directory in Dockerfile for proper access

Author: calvinp0

Dockerfile

@@ -85,7 +85,7 @@ COPY --from=builder --chown=mambauser:mambauser /home/mambauser/.juliaup /home/m
 COPY --from=builder --chown=mambauser:mambauser /home/mambauser/Code /home/mambauser/Code
 
 # Need to copy the tests separately as they are not in the ARC git by default
-COPY --chown=mambauser:mambauser dockerfiles/docker_tests /home/mambauser/Code/ARC/docker_tests
+COPY --chown=mambauser:mambauser dockerfiles/docker_tests /home/mambauser/Code/ARC/dockerfiles/docker_tests
 
 # --- Entry wrapper ----------------------------------------------------------
 COPY --chmod=755  dockerfiles/entrywrapper.sh  /usr/local/bin/entrywrapper.sh