Do not print the header lines when running a single test.
diff --git a/Misc/NEWS b/Misc/NEWS
index e6662e8..a60e6fd 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -126,6 +126,9 @@
 Tests
 -----
 
+- Print platform information when running the whole test suite, or using
+  the --verbose flag.
+
 - Issue #767675: enable test_pep277 on POSIX platforms with Unicode-friendly
   filesystem encoding.