address comments from Davide

Change-Id: I493fc14920bdec2241b2c77dd0ec73f4466b6129
diff --git a/tests/wscript b/tests/wscript
index f5a0875..87151bd 100644
--- a/tests/wscript
+++ b/tests/wscript
@@ -6,6 +6,7 @@
         return
 
     tmp_path = 'TMP_TESTS_PATH="%s"' % bld.bldnode.make_node('tmp-tests')
+
     bld.program(
         target='../unit-tests',
         name='unit-tests',