enable setting of config dir by env var

.github/workflows/pr_workflow.yml

@@ -38,7 +38,9 @@ jobs:
 
       # Runs System tests
       - name: Run EVSVesuvio Analysis System Tests
-        run: python -m unittest discover -s ./EVSVesuvio/system_tests
+        run: |
+          export VESUVIOPROPERTIES=$(pwd)/EVSVesuvio/config/vesuvio.user.properties
+          python -m unittest discover -s ./EVSVesuvio/system_tests
 
       - name: Run EVSVesuvio Calibration Unit Tests
         run: |

EVSVesuvio/scripts/handle_config.py

@@ -1,8 +1,7 @@
 import os
 from shutil import copyfile, copytree, ignore_patterns
 
-VESUVIO_CONFIG_PATH = os.path.join(os.path.expanduser("~"), ".mvesuvio")
-VESUVIO_CONFIG_FILE = "vesuvio.user.properties"
+VESUVIO_CONFIG_PATH, VESUVIO_CONFIG_FILE = __parse_properties_env_var()
 VESUVIO_INPUTS_FILE = "analysis_inputs.py"
 VESUVIO_PACKAGE_PATH = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 MANTID_CONFIG_FILE = "Mantid.user.properties"
@@ -117,3 +116,13 @@ def check_dir_exists(type, path):
         print(f"Directory of {type} could not be found at location: {path}")
         return False
     return True
+
+
+def __parse_properties_env_var():
+    env_var = os.getenv('VESUVIOPROPERTIES')
+    if env_var:
+        config_path, config_file = os.path.split(env_var)
+    else:
+        config_path = os.path.join(os.path.expanduser("~"), ".mvesuvio")
+	config_file = "vesuvio.user.properties"
+    return config_path, config_file