const internal/types/errors.Test

5 uses

	internal/types/errors (current package)
		code_string.go#L12: 	_ = x[Test-1]
		codes.go#L46: 	Test

	go/types
		builtins.go#L877: 			check.errorf(x, Test, invalidArg+"%s is not a boolean constant", x)
		builtins.go#L881: 			check.errorf(x, Test, "internal error: value of %s should be a boolean constant", x)
		builtins.go#L885: 			check.errorf(call, Test, "%v failed", call)