Adds test script to run tests.
Adds test script to run tests.

Hxucaa/ReactiveArray,Adlai-Holler/ReactiveArray,Wolox/ReactiveArray,jersonperpetua/ReactiveArray,jersonperpetua/ReactiveArray,Wolox/ReactiveArray,Hxucaa/ReactiveArray,Adlai-Holler/ReactiveArray,Hxucaa/ReactiveArray,Hxucaa/ReactiveArray,Wolox/ReactiveArray,jersonperpetua/ReactiveArray,Adlai-Holler/ReactiveArray,Adlai-Holler/ReactiveArray