func VerboseOnFailure(verbose bool) {
	verboseOnFailure = verbose
}
VerboseOnFailure (default is false) will produce more information about the request and response when a failure is detected on an expectation.
This setting is not the same but related to the value of testing.Verbose().
package forest
import (
	"bytes"
	"encoding/json"
	"encoding/xml"
	"io/ioutil"
	"net/http"
)
var verboseOnFailure = false