Adjusting names as per pipeline requirements

Change-Id: Ida9dd05bfa557351f38106f17948bd19ca06ba4d
diff --git a/tests/data/dt-berlin-pod-gpon-DT-sadis.json b/tests/data/dt-berlin-pod-gpon-sadis-DT.json
similarity index 100%
rename from tests/data/dt-berlin-pod-gpon-DT-sadis.json
rename to tests/data/dt-berlin-pod-gpon-sadis-DT.json