testing-actions.mdx (Testing - Interactions)
testing-actions.mdx (Testing - Interactions)

Summary: Restyle of Litho docs, including spelling and grammar checks, link checks, and structure (where relevant).

Reviewed By: apowolny

Differential Revision: D37172750

fbshipit-source-id: 465431880c042c49cba2b155080d01b759f3275c

facebook/litho,facebook/litho,facebook/litho,facebook/litho,facebook/litho,facebook/litho