Add e2e test
diff --git a/core/kg/rpc/interfaces.go b/core/kg/rpc/interfaces.go
new file mode 100644
index 0000000..0cd072a
--- /dev/null
+++ b/core/kg/rpc/interfaces.go
@@ -0,0 +1,7 @@
+package rpc
+
+import "github.com/giolekva/pcloud/core/kg/model"
+
+type appIface interface {
+	GetUser(userID string) (*model.User, error)
+}