test_capi.test__testcapi() becomes more verbose

Write the name of each subtest on a new line to help debugging when a test does crash Python.
python · vstinner · Oct 31, 2017 · Oct 31, 2017 · Oct 31, 2017 · 3b76d494cb2a371f64f76ee32277ea5602f7e9a0
commit 3b76d494cb2a371f64f76ee32277ea5602f7e9a0
diff --git a/Lib/test/test_capi.py b/Lib/test/test_capi.py
@@ -751,11 +751,16 @@ def callback():
 
 class Test_testcapi(unittest.TestCase):
     def test__testcapi(self):
+        if support.verbose:
+            print()
         for name in dir(_testcapi):
-            if name.startswith('test_'):
-                with self.subTest("internal", name=name):
-                    test = getattr(_testcapi, name)
-                    test()
+            if not name.startswith('test_'):
+                continue
+            with self.subTest("internal", name=name):
+                if support.verbose:
+                    print(f"  {name}", flush=True)
+                test = getattr(_testcapi, name)
+                test()
 
 
 class PyMemDebugTests(unittest.TestCase):