Você pode testar diferentes tipos de retornos alterando o valor dos centavos, conforme a tabela abaixo:

Centavos

Status

Mensagem

00

authorized

Approved or completed sucessfully

01

authorization_declined

Refer to card issuer

02

authorization_declined

Refer to card issuer, special condition

03

authorization_declined

Invalid merchant

04-05

authorization_declined

Do not honor

06

authorization_declined

Error

07

authorization_declined

Special conditions

08

authorized

Honor with identification

09

authorization_declined

Request in progress

10

authorization_declined

Approved, partial

11

authorized

Approved, VIP

12

authorization_declined

Invalid transaction

13

authorization_declined

Invalid amount

14

authorization_declined

Invalid card number

15

authorization_declined

No such issue

16

authorized

Approved, update track 3

17-18

authorization_declined

Error

19

authorization_declined

Re-enter transaction

20-22

authorization_declined

Error

23

authorization_declined

Unacceptable transaction fee

24

authorization_declined

File update not supported

25

authorization_declined

Unable to locate record

26

authorization_declined

Duplicate record

27

authorization_declined

File update edit error

28

authorization_declined

File update file locked

29

authorization_declined

File update failed.

30

authorization_declined

Format error

31

authorization_declined

No such issue

32

authorization_declined

Error

33

authorization_declined

Expired card, pick-up

34

authorization_declined

Suspected fraud, pick-up

35

authorization_declined

Contact acquirer, pick-up

36

authorization_declined

Restricted card, pick-up

37

authorization_declined

Call acquirer security, pick-up

38

authorization_declined

PIN tries exceeded, pick-up

39

authorization_declined

No credit account

40

authorization_declined

Function not supported

41

authorization_declined

Lost card

42

authorization_declined

No credit account

43

authorization_declined

Stolen card

44

authorization_declined

No credit account

45-50

authorization_declined

Error

51

authorization_declined

Not sufficient funds

52-53

authorization_declined

No credit account

54

authorization_declined

Expired card

55

authorization_declined

Incorrect PIN

56

authorization_declined

No card record

57

authorization_declined

Transaction not permitted to cardholder

58

authorization_declined

Transaction not permitted on terminal

59

authorization_declined

Suspected fraud

60

authorization_declined

Contact acquirer

61

authorization_declined

Exceeds withdrawal limit

62

authorization_declined

Restricted card

63

authorization_declined

Security violation

64

authorization_declined

Invalid amount

65

authorization_declined

Exceeds withdrawal frequency

66

authorization_declined

Call acquirer security

67

authorization_declined

Pick-up card

68-74

authorization_declined

Error

75

authorization_declined

PIN tries exceeded

76-77

authorization_declined

Code without an appropriate response message

78

authorization_declined

No credit account

79-80

authorization_declined

Code without an appropriate response message

81

authorization_declined

Invalid transaction

82-83

authorization_declined

Error

84

authorization_declined

Code without an appropriate response message

85

authorized

Approved or completed successfully

86-88

authorization_declined

Code without an appropriate response message

89

authorization_declined

Incorrect PIN

90

authorization_declined

Cut-off in progress

91

authorization_declined

Issuer or switch inoperative

92

authorization_declined

No such issue

93

authorization_declined

Violation of law

94

authorization_declined

Duplicate transaction

95

authorization_declined

Reconcile error

96

authorization_declined

System malfunction

97-99

authorization_declined

Error