Fix payment dates.

bummzack · bummzack · commit 86eca434a04c · 2018-02-09T22:36:27.000+01:00
diff --git a/tests/GridField/GridFieldTestPayments.yml b/tests/GridField/GridFieldTestPayments.yml
@@ -4,14 +4,14 @@ SilverStripe\Omnipay\Model\Payment:
     MoneyAmount: 20.23
     MoneyCurrency: NZD
     Status: Authorized
-    Created: 2013-10-10 12:00:00
+    Created: '2013-10-10 12:00:00'
     Identifier: 5039b3c8ffbdb50a2102bc172ebbf755
   payment2:
     Gateway: Manual
     MoneyAmount: 20.23
     MoneyCurrency: NZD
     Status: Captured
-    Created: 2013-10-10 12:00:00
+    Created: '2013-10-10 12:00:00'
     Identifier: 9ca29d5d78833cdacaa0c70761a594d1
   payment3:
     Gateway: PaymentExpress_PxPay
