public void MergableAsyncCall()
{
var ctx = new BSharpContext();
var p1 = BSharpCompiler.CompileAsync("class A").ContinueWith(_ => ctx.Merge(_.Result));
var p2 = BSharpCompiler.CompileAsync("class B").ContinueWith(_ => ctx.Merge(_.Result));
var p3 = BSharpCompiler.CompileAsync("class C").ContinueWith(_ => ctx.Merge(_.Result));
Task.WaitAll(p1, p2, p3);
Assert.AreEqual(3, ctx.Working.Count);
}