killbill-memoizeit

diff --git a/payment/src/test/java/com/ning/billing/payment/provider/MockPaymentProviderPlugin.java b/payment/src/test/java/com/ning/billing/payment/provider/MockPaymentProviderPlugin.java
index e5fff50..d52c1f6 100644
--- a/payment/src/test/java/com/ning/billing/payment/provider/MockPaymentProviderPlugin.java
+++ b/payment/src/test/java/com/ning/billing/payment/provider/MockPaymentProviderPlugin.java
@@ -82,4 +82,10 @@ public class MockPaymentProviderPlugin implements PaymentProviderPlugin {
         // TODO
         return Either.left(new PaymentError("unknown", "Not implemented"));
     }
+
+    @Override
+    public Either<PaymentError, PaymentProviderAccount> getPaymentProviderAccount(String accountKey) {
+        // TODO
+        return Either.left(new PaymentError("unknown", "Not implemented"));
+    }
 }