$ go test ./model/modelhelpers/ -race -run TestUpdateRefreshScheduleTimerSuccess
==================
WARNING: DATA RACE
Read at 0x00c4203a34e8 by goroutine 21:
  reflect.typedmemmove()
      /usr/local/Cellar/go/1.10.2/libexec/src/runtime/mbarrier.go:265 +0x0
  reflect.packEface()
      /usr/local/Cellar/go/1.10.2/libexec/src/reflect/value.go:119 +0x101
  reflect.valueInterface()
      /usr/local/Cellar/go/1.10.2/libexec/src/reflect/value.go:978 +0x16a
  reflect.Value.Interface()
      /usr/local/Cellar/go/1.10.2/libexec/src/reflect/value.go:948 +0x51
  fmt.(*pp).printValue()
      /usr/local/Cellar/go/1.10.2/libexec/src/fmt/print.go:699 +0x3700
  fmt.(*pp).printValue()
      /usr/local/Cellar/go/1.10.2/libexec/src/fmt/print.go:853 +0x2550
  fmt.(*pp).printArg()
      /usr/local/Cellar/go/1.10.2/libexec/src/fmt/print.go:689 +0x192
  fmt.(*pp).doPrintf()
      /usr/local/Cellar/go/1.10.2/libexec/src/fmt/print.go:1099 +0x912
  fmt.Sprintf()
      /usr/local/Cellar/go/1.10.2/libexec/src/fmt/print.go:203 +0x73
  some.company.com/some/go-repo/vendor/github.com/stretchr/testify/mock.Arguments.Diff()
      /Users/andrewdeandrade/go/src/some.company.com/some/go-repo/vendor/github.com/stretchr/testify/mock/mock.go:678 +0x1416
  some.company.com/some/go-repo/vendor/github.com/stretchr/testify/mock.(*Mock).findExpectedCall()
      /Users/andrewdeandrade/go/src/some.company.com/some/go-repo/vendor/github.com/stretchr/testify/mock/mock.go:267 +0x175
  some.company.com/some/go-repo/vendor/github.com/stretchr/testify/mock.(*Mock).MethodCalled()
      /Users/andrewdeandrade/go/src/some.company.com/some/go-repo/vendor/github.com/stretchr/testify/mock/mock.go:343 +0xb3
  some.company.com/some/go-repo/vendor/github.com/stretchr/testify/mock.(*Mock).Called()
      /Users/andrewdeandrade/go/src/some.company.com/some/go-repo/vendor/github.com/stretchr/testify/mock/mock.go:333 +0x18a
  some.company.com/some/go-repo/mocks.(*ProvidesTimers).Remove()
      /Users/andrewdeandrade/go/src/some.company.com/some/go-repo/mocks/provides_timers.go:40 +0x2a1

Previous write at 0x00c4203a34e8 by goroutine 20:
  sync/atomic.CompareAndSwapInt32()
      /usr/local/Cellar/go/1.10.2/libexec/src/runtime/race_amd64.s:293 +0xb
  sync.(*Mutex).Lock()
      /usr/local/Cellar/go/1.10.2/libexec/src/sync/mutex.go:74 +0x4d
  some.company.com/some/go-repo/vendor/github.com/stretchr/testify/mock.(*Mock).AssertCalled()
      /Users/andrewdeandrade/go/src/some.company.com/some/go-repo/vendor/github.com/stretchr/testify/mock/mock.go:489 +0xc8
  some.company.com/some/go-repo/model/modelhelpers.TestUpdateRefreshScheduleTimerSuccess()
      /Users/andrewdeandrade/go/src/some.company.com/some/go-repo/model/modelhelpers/helpers_test.go:267 +0xafe
  testing.tRunner()
      /usr/local/Cellar/go/1.10.2/libexec/src/testing/testing.go:777 +0x16d

Goroutine 21 (running) created at:
  some.company.com/some/go-repo/model/modelhelpers.removeTimerAsync()
      /Users/andrewdeandrade/go/src/some.company.com/some/go-repo/model/modelhelpers/helpers.go:94 +0x10f
  some.company.com/some/go-repo/model/modelhelpers.UpdateRefreshScheduleTimer()
      /Users/andrewdeandrade/go/src/some.company.com/some/go-repo/model/modelhelpers/helpers.go:152 +0x2c2
  some.company.com/some/go-repo/model/modelhelpers.TestUpdateRefreshScheduleTimerSuccess()
      /Users/andrewdeandrade/go/src/some.company.com/some/go-repo/model/modelhelpers/helpers_test.go:241 +0x5e0
  testing.tRunner()
      /usr/local/Cellar/go/1.10.2/libexec/src/testing/testing.go:777 +0x16d

Goroutine 20 (running) created at:
  testing.(*T).Run()
      /usr/local/Cellar/go/1.10.2/libexec/src/testing/testing.go:824 +0x564
  testing.runTests.func1()
      /usr/local/Cellar/go/1.10.2/libexec/src/testing/testing.go:1063 +0xa4
  testing.tRunner()
      /usr/local/Cellar/go/1.10.2/libexec/src/testing/testing.go:777 +0x16d
  testing.runTests()
      /usr/local/Cellar/go/1.10.2/libexec/src/testing/testing.go:1061 +0x4e1
  testing.(*M).Run()
      /usr/local/Cellar/go/1.10.2/libexec/src/testing/testing.go:978 +0x2cd
  main.main()
      _testmain.go:52 +0x22a