making json file a bit clearer

tests/test_data/test_deployment/regions/EastAfrica/resources/met_extractor/configs/template_operational_config.json

@@ -19,20 +19,22 @@
         "CLASSNAME": "EnvSuitColTimePointProcessor",
         "DEPENDS": [],
         "TIMEPOINTS_FILE_PATH": "#",
+        "IS_NUMERIC": "TRUE",
+        "CALCULATION_PRECISION": "{:0.8f}",
         "FUTURE_FIELDS": [
           {
             "PROCESSOR_NAME": "TEMP",
-            "DURATION": 7,
+            "DURATION": "OVERRIDDEN_FROM_COORDINATOR_CONFIG",
             "ENABLED": "TRUE"
           },
           {
             "PROCESSOR_NAME": "PRECIPITATION_RATE",
-            "DURATION": 7,
+            "DURATION": "OVERRIDDEN_FROM_COORDINATOR_CONFIG",
             "ENABLED": "TRUE"
           },
           {
             "PROCESSOR_NAME": "RELATIVE_HUMIDITY",
-            "DURATION": 7,
+            "DURATION": "OVERRIDDEN_FROM_COORDINATOR_CONFIG",
             "ENABLED": "TRUE"
           }
         ],