make docstring test better

Author: stelmo

test/tests.jl

@@ -307,7 +307,7 @@ end
             @test occursin("\n```julia\n", str)
             if VERSION > v"1.3.0"
                 @test occursin("\nk_5(::Type{T<:Number}, x::String) -> String\n", str)
-                @test occursin("\nk_5(::Type{T<:Number}, x::String) -> String\nk_5(\n  ::Type{T<:Number}, \n  x::String, \n  func::Union{Nothing, Function}\n) -> String\n\n", str)
+                @test occursin("\nk_5(\n  ::Type{T<:Number}, \n  x::String, \n  func::Union{Nothing, Function}\n) -> String\n", str)
                 @test occursin("\n```\n", str)
             else
                 # TODO: remove this test when julia 1.0.0 support is dropped.
@@ -347,7 +347,7 @@ end
             else
                 @test occursin("\nk_7(x::Union{Nothing, T} where T<:Integer) -> Union{Nothing, Integer}\n", str)
             end
-            @test occursin("\nk_7(x::Union{Nothing, T} where T<:Integer) -> Union{Nothing, T} where T<:Integer\nk_7(\n  x::Union{Nothing, T} where T<:Integer, \n  y::Integer\n) -> Union{Nothing, T} where T<:Integer\n\n", str)
+            @test occursin("\nk_7(\n  x::Union{Nothing, T} where T<:Integer, \n  y::Integer\n) -> Union{Nothing, T} where T<:Integer\n", str)
             @test occursin("\n```\n", str)
 
             doc.data = Dict(