#1279 close the previous browser before opening a new one
#1279 close the previous browser before opening a new one

I hope it will fix "Chrome crashed" problem because now we will consume less memory during test run

simple-elf/selenide,codeborne/selenide,simple-elf/selenide,simple-elf/selenide,simple-elf/selenide,codeborne/selenide,codeborne/selenide