Merge pull request #7 from AppsFlyer/go-upgrade

upgrade go version to 1.16, and improve test stability

.travis.yml

@@ -16,4 +16,4 @@ script:
   - make
 #  - make testflags="-race"
   # submit to goveralls only on the latest version to avoid timeouts
-  - if [[ $TRAVIS_GO_VERSION == 1.13* ]]; then $GOPATH/bin/goveralls -service=travis-ci; fi
+  - if [[ $TRAVIS_GO_VERSION == 1.16* ]]; then $GOPATH/bin/goveralls -service=travis-ci; fi

go.mod

@@ -1,6 +1,6 @@
 module github.com/AppsFlyer/wrk3
 
-go 1.15
+go 1.16
 
 require (
 	github.com/HdrHistogram/hdrhistogram-go v1.1.0

wrk3_test.go

@@ -170,7 +170,8 @@ func TestSummarizeResults(t *testing.T) {
 	assert.Equal(t, 0, result.Errors, "errors")
 	assert.Equal(t, expectedResults, result.Counter, "count")
 	assert.Equal(t, expectedResults, int(result.Latency.TotalCount()), "histogram counter")
-	assert.Equal(t, expectedLatency, time.Duration(result.Latency.Min()).Truncate(time.Millisecond), "histogram min time")
+	assert.LessOrEqual(t, expectedLatency, time.Duration(result.Latency.Min()).Truncate(time.Millisecond), "histogram min time")
+	assert.GreaterOrEqual(t, expectedLatency*3, time.Duration(result.Latency.Min()), "histogram min time")
 }
 
 func configureExecutioner(eventCount int, requestFunc RequestFunc) *executioner {