Add test for getting IL ctor from entity
Add test for getting IL ctor from entity

cloudRoutine/FSharp.Compiler.Service,Jand42/FSharp.Compiler.Service,cloudRoutine/FSharp.Compiler.Service,dsyme/FSharp.Compiler.Service,ncave/FSharp.Compiler.Service,dsyme/FSharp.Compiler.Service,ncave/FSharp.Compiler.Service,Jand42/FSharp.Compiler.Service,dsyme/FSharp.Compiler.Service,ncave/FSharp.Compiler.Service,Jand42/FSharp.Compiler.Service,cloudRoutine/FSharp.Compiler.Service