runCoreTests.sh: fix output file for integration-tests
runCoreTests.sh: fix output file for integration-tests

Ky7m/BenchmarkDotNet,Ky7m/BenchmarkDotNet,adamsitnik/BenchmarkDotNet,ig-sinicyn/BenchmarkDotNet,PerfDotNet/BenchmarkDotNet,alinasmirnova/BenchmarkDotNet,Teknikaali/BenchmarkDotNet,adamsitnik/BenchmarkDotNet,alinasmirnova/BenchmarkDotNet,adamsitnik/BenchmarkDotNet,Teknikaali/BenchmarkDotNet,Ky7m/BenchmarkDotNet,Ky7m/BenchmarkDotNet,alinasmirnova/BenchmarkDotNet,adamsitnik/BenchmarkDotNet,ig-sinicyn/BenchmarkDotNet,Teknikaali/BenchmarkDotNet,ig-sinicyn/BenchmarkDotNet,ig-sinicyn/BenchmarkDotNet,PerfDotNet/BenchmarkDotNet,PerfDotNet/BenchmarkDotNet,alinasmirnova/BenchmarkDotNet