Alternative way

Author: Dvegrod

src/execution/testset.jl

@@ -39,7 +39,9 @@ mutable struct PerfTestSet <: AbstractTestSet
     end
 end
 
-BenchmarkGroup = BenchmarkTools.BenchmarkGroup
+function newBenchmarkGroup() :: BenchmarkGroup
+    return BenchmarkGroup()
+end
 
 
 # Save test results or child test sets

src/transform/suffix.jl

@@ -169,7 +169,7 @@ function perftestsuffix(context :: Context)
 
             testresdict = Dict{String,Union{Dict,Test_Result}}()
             if TS isa Vector
-                benchmarks = PerfTest.BenchmarkGroup()
+                benchmarks = PerfTest.newBenchmarkGroup()
                 for ts in TS
                     testresdict[ts.description * ts.iterator] = extractTestResults(TS)
                     benchmarks[ts.description * ts.iterator] = ts.benchmarks