Do not strip code

This make it work with `;\n` test for output supression.

Author: andreypopp

Diff for: src/NarrativeTest.jl

@@ -608,7 +608,7 @@ function parsejlrepl!(stack::Vector{TextBlock})
     function savecode!(loc)
         data = consumebuf!(buf)
         if data !== nothing
-            push!(code, TextBlock(loc, strip(data)))
+            push!(code, TextBlock(loc, data))
         else
             push!(code, TextBlock(loc, ""))
         end