Added functional CSIT tests for DFC

New test case for single file download and publish
Minor refactoring of Management interface test

Issue-ID: DCAEGEN2-1313
Change-Id: I2436db42a5884a7d828dbefcf9678aa9cdf064e3
Signed-off-by: BjornMagnussonXA <bjorn.magnusson@est.tech>
diff --git a/scripts/dcaegen2-collectors-datafile/dfc-management/dfc-start.sh b/scripts/dcaegen2-collectors-datafile/dfc-management/dfc-start.sh
new file mode 100755
index 0000000..4bec4ff
--- /dev/null
+++ b/scripts/dcaegen2-collectors-datafile/dfc-management/dfc-start.sh
@@ -0,0 +1,20 @@
+#!/bin/bash
+
+#Start DFC app 
+
+docker-compose up -d 
+
+DFC_APP="$(docker ps -q --filter='name=dfc_app')"
+
+#Wait for initialization of docker containers for dfc app and all simulators
+for i in {1..10}; do
+if [ $(docker inspect --format '{{ .State.Running }}' $DFC_APP) ]
+ then
+   echo "DFC app Running"
+   break
+ else
+   echo sleep $i
+   sleep $i
+ fi 
+done
+