Move /e2e -> /e2e-tests

e2e-tests/cypress/tests/fixtures/client_billing.json

@@ -0,0 +1,22 @@
+{
+    "mastercard":{
+        "cardNumber":"5555555555554444",
+        "expDate":"4242",
+        "cvc":"412"
+    },
+    "visa":{
+        "cardNumber":"4242424242424242",
+        "expDate":"4242",
+        "cvc":"412"
+    },
+    "unionpay":{
+        "cardNumber":"6200000000000005",
+        "expDate":"1244",
+        "cvc":"123"
+    },
+    "invalidvisa":{
+        "cardNumber":"4242424242424141",
+        "expDate":"1212",
+        "cvc":"12"
+    }
+}