Fix YAML files linter errors for new-line-at-end-of-file rule

Fixed files that lacked the end of file new line.

Change-Id: I552f408b88a3a529e25236b7118be3b5a5741c7e
Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>
Issue-ID: INT-1451
diff --git a/test/mocks/datafilecollector-testharness/ftps-sftp-server/test_cases.yml b/test/mocks/datafilecollector-testharness/ftps-sftp-server/test_cases.yml
index 61275df..ce68be4 100644
--- a/test/mocks/datafilecollector-testharness/ftps-sftp-server/test_cases.yml
+++ b/test/mocks/datafilecollector-testharness/ftps-sftp-server/test_cases.yml
@@ -13,4 +13,4 @@
 TC_10000:
   size_files: 1 1 5 5 50 50
   number_files: 10000 10000 10000 10000 1 1
-  directory_files: ftps sftp ftps sftp ftps sftp
\ No newline at end of file
+  directory_files: ftps sftp ftps sftp ftps sftp