maint: typo: insert omitted word in test comment

* tests/misc/sort-spinlock-abuse: Fix typo:
s/"very expensive" are/"very expensive" tests are/

diff --git a/tests/misc/sort-spinlock-abuse b/tests/misc/sort-spinlock-abuse
index 0e1c86b..0894ec9 100755 (executable)
--- a/tests/misc/sort-spinlock-abuse
+++ b/tests/misc/sort-spinlock-abuse
@@ -21,9 +21,9 @@
 print_ver_ sort
 
 # This isn't terribly expensive, but it must not be run under heavy load.
-# Since the "very expensive" are already run only with -j1, adding this
-# test to the list ensures it still gets _some_ (albeit minimal) coverage
-# while not causing false-positive failures in day to day runs.
+# Since the "very expensive" tests are already run only with -j1, adding
+# this test to the list ensures it still gets _some_ (albeit minimal)
+# coverage while not causing false-positive failures in day to day runs.
 very_expensive_
 
 grep '^#define HAVE_PTHREAD_T 1' "$CONFIG_HEADER" > /dev/null ||