Fix [H405] pep rule in heat_integrationtests

Implements bp docstring-improvements

Change-Id: I7aebbdafef121c3414e6a0260452c1353af62e88
diff --git a/scenario/test_server_software_config.py b/scenario/test_server_software_config.py
index 8739a99..ad76763 100644
--- a/scenario/test_server_software_config.py
+++ b/scenario/test_server_software_config.py
@@ -133,8 +133,7 @@
                 dep1_dep.creation_time)
 
     def test_server_software_config(self):
-        """
-        Check that passed files with scripts are executed on created server.
+        """Check that passed files with scripts are executed on created server.
 
         The alternative scenario is the following:
             1. Create a stack and pass files with scripts.