[short] skip
[!race] skip

go test -v -race
stdout 'testing_test.go:26: directCall'
stdout 'testing_test.go:27: interfaceTBCall'
stdout 'testing_test.go:28: interfaceCall'

-- go.mod --
module 26995-TBHelper-line-number

go 1.21
-- testing_test.go --
package testing_test

import "testing"

type TestingT interface {
	Helper()
	Log(args ...interface{})
}

func directCall(t *testing.T) {
	t.Helper()
	t.Log("directCall")
}

func interfaceTBCall(t testing.TB) {
	t.Helper()
	t.Log("interfaceTBCall")
}

func interfaceCall(t TestingT) {
	t.Helper()
	t.Log("interfaceCall")
}

func TestTesting(t *testing.T) {
	directCall(t)
	interfaceTBCall(t)
	interfaceCall(t)
}