Bump stripe-mock to 0.67.0

Author: ob-stripe

.travis.yml

@@ -18,7 +18,7 @@ before_install:
 env:
   global:
     # If changing this number, please also change it in `BaseStripeTest.java`.
-  - STRIPE_MOCK_VERSION=0.66.0
+  - STRIPE_MOCK_VERSION=0.67.0
 
 matrix:
   include:

src/test/java/com/stripe/BaseStripeTest.java

@@ -32,7 +32,7 @@
 
 public class BaseStripeTest {
   // If changing this number, please also change it in `.travis.yml`.
-  private static final String MOCK_MINIMUM_VERSION = "0.66.0";
+  private static final String MOCK_MINIMUM_VERSION = "0.67.0";
 
   private static String port;