[CORD-1474]
Use value of config_cord_profile_dir from config node, rather than head
node

Change-Id: I33c6029c52824921553316d25a4cb13227f68e61
diff --git a/roles/api-tests/defaults/main.yml b/roles/api-tests/defaults/main.yml
index 065a432..8602670 100644
--- a/roles/api-tests/defaults/main.yml
+++ b/roles/api-tests/defaults/main.yml
@@ -1,5 +1,5 @@
 ---
 # api-tests/defaults/main.yml
 
-config_cord_dir: "{{ ansible_user_dir + '/cord' }}"
+config_cord_dir: "{{ ansible_user_dir ~ '/cord' }}"