Question $9$

Adam is testing a suite of browser$-$based tests. Some tests need to run in parallel to reduce the overall test execution time. Which TestNG attribute should he use to specify that the tests should run in parallel?

parallel$=$"tests" thread$-$count$="5"$

parallel$=$"classes" thread$-$count$="5"$

parallel$=$"methods" thread$-$count$="5"$

Barallel$=$"instances" thread$-$count$="5"$