Add note documenting #2257
Add note documenting #2257

RonnyPfannschmidt/pytest,MichaelAquilina/pytest,vmalloc/dessert,The-Compiler/pytest,markshao/pytest,ddboline/pytest,davidszotten/pytest,The-Compiler/pytest,skylarjhdownes/pytest,nicoddemus/pytest,tgoodlet/pytest,rmfitzpatrick/pytest,flub/pytest,tomviner/pytest,etataurov/pytest,alfredodeza/pytest,txomon/pytest,tomviner/pytest,pytest-dev/pytest,pfctdayelise/pytest,Akasurde/pytest,hackebrot/pytest,nicoddemus/pytest,tareqalayan/pytest,jaraco/pytest