bpo-33717: set terse to True when calling platform.platform in test.pythoninfo (GH-7797) (GH-7803)

(cherry picked from commit 71ca738f4cd2696d056d0cdb83bebd576f98ccc2)

Co-authored-by: Xiang Zhang <angwerzx@126.com>
diff --git a/Lib/test/pythoninfo.py b/Lib/test/pythoninfo.py
index 1dc5700..d588353 100644
--- a/Lib/test/pythoninfo.py
+++ b/Lib/test/pythoninfo.py
@@ -142,7 +142,7 @@
     info_add('platform.python_implementation',
              platform.python_implementation())
     info_add('platform.platform',
-             platform.platform(aliased=True))
+             platform.platform(aliased=True, terse=True))
 
 
 def collect_locale(info_add):