Added docstring for Artifacts.jl

stdlib/Artifacts/src/Artifacts.jl

@@ -1,5 +1,11 @@
 # This file is a part of Julia. License is MIT: https://julialang.org/license
 
+"""
+Artifacts.jl is a Julia module that is used for managing and accessing
+artifacts in Julia packages. Artifacts are containers for
+platform-specific binaries, datasets, text, or any other kind of data
+that would be convenient to place within an immutable, life-cycled datastore.
+"""
 module Artifacts
 
 import Base: get, SHA1

stdlib/Artifacts/test/runtests.jl

@@ -263,7 +263,5 @@ end
 end
 
 @testset "Docstrings" begin
-    undoc = Docs.undocumented_names(Artifacts)
-    @test_broken isempty(undoc)
-    @test undoc == [:Artifacts]
+    @test isempty(Docs.undocumented_names(Artifacts))
 end