[3.2.x] Fixed #32438 -- Fixed typo in docs/topics/testing/tools.txt.
[3.2.x] Fixed #32438 -- Fixed typo in docs/topics/testing/tools.txt.

Backport of e412b288455dd3ea6f1d65c8ec5d01751e489976 from master

wkschwartz/django,wkschwartz/django,koordinates/django,koordinates/django,wkschwartz/django,koordinates/django,koordinates/django,wkschwartz/django