make test target static listable

Summary:
Change the Test Suite name to follow internal conventions.

In order to provide the best experience, internal tooling have expectations on test naming, the target being modified failed on:
* Test Suite has no `Test` suffix

Reviewed By: yfeldblum

Differential Revision: D85427980

fbshipit-source-id: b62879da05be0712404566541b2998121d153e23

Author: gpires-meta

third-party/folly/src/folly/logging/test/log_after_main.py

@@ -20,7 +20,7 @@
 import unittest
 
 
-class LogAfterMain(unittest.TestCase):
+class LogAfterMainTest(unittest.TestCase):
     def find_helper(self, name, env_var):
         path = os.environ.get(env_var)
         if path: