Add a small test to assert the directory is indeed changing

Author: anthony-chaudhary

sdk/diffgram/hazmat/dir_setting_test.py

@@ -0,0 +1,17 @@
+
+from diffgram import Project
+import random
+
+project = Project()
+
+name_list = [str(random.random()) for i in range(3)]
+last_id = None
+
+for name in name_list:
+
+	project.directory.new(name)
+	project.set_directory_by_name(name)
+	id_set = project.session.headers.get('directory_id')
+	print(id_set)
+	assert last_id != id_set
+	last_id = id_set