src/cmd/go/testdata/script/test_json_timeout.txt

! go test -json -timeout=1ms

stdout '"Action":"output","Package":"p","Output":"FAIL\\tp\\t'
stdout '"Action":"fail","Package":"p","Elapsed":'

-- go.mod --
module p

-- x_test.go --
package p

import (
	"testing"
	"time"
)

func Test(t *testing.T) {
	time.Sleep(1*time.Hour)
}