don't attribute testset time to test time

Author: IanButterworth

test/buildkitetestjson.jl

@@ -147,6 +147,7 @@ end
 
 function collect_results!(results::Vector{Dict{String,Any}}, testset::Test.DefaultTestSet, prefix::String="")
     common_data = result_dict(testset, prefix)
+    delete!(common_data, "history") # testset history is not relevant for individual test results
     result_offset = length(results) + 1
     result_counts = Dict{Tuple{String,String},Int}()
     get_rid(rdata) = (rdata["location"], rdata["result"])