Modify CSIT script to have absolute root path env

        - change set up to call docker compose for cps-ncmp
        - add root as a property in 'test.properties'
        - root is specified to be root directory folder for the current
          project
        - modified docker compose init container to use ROOT env var

Issue-ID: CPS-1472
Signed-off-by: emaclee <lee.anjella.macabuhay@est.tech>
Change-Id: Ie5ac6bbff7cb1e761501bd0db8447f86af06b95f
diff --git a/docker-compose/docker-compose.yml b/docker-compose/docker-compose.yml
index 7d6379a..dd7749a 100644
--- a/docker-compose/docker-compose.yml
+++ b/docker-compose/docker-compose.yml
@@ -110,13 +110,12 @@
     restart: unless-stopped
 
   init-db:
-    build: ../../../docker-compose/initfile
+    build: ${CPS_HOME:-.}/docker-compose/initfile
     environment:
       CPS_CORE_PORT: ${CPS_CORE_PORT:-8883}
       CPS_CORE_MANAGEMENT_PORT: ${CPS_CORE_MANAGEMENT_PORT:-8887}
     volumes:
-      - ./initfile:/initfile
-      - ../../../cps-ncmp-service/src/main/resources/model/:/model
+      - ${CPS_HOME:-.}/cps-ncmp-service/src/main/resources/model/:/model
     depends_on:
       cps-and-ncmp:
         condition: service_started