SWE-12 Static member to handle date formatting

SynchronyFinancial/SynchronyFinancial/Defaults.swift

@@ -22,6 +22,13 @@ final class Defaults {
     static let token = UserDefaults.standard.string(forKey: "access_token") ?? ""
     static let authHeader = ["Authorization": "Bearer \(token)"]
 
+    static let careCreditDateFormatter: DateFormatter = {
+        var formatter = DateFormatter()
+        formatter.dateFormat = "yyyyMMdd"
+        formatter.locale = Locale.current
+        return formatter
+    }()
+
     static var headerForLogin: [String: Any] = {
         return ["client_id": "carecredit",
                    "client_secret": "",
@@ -55,7 +62,6 @@ final class Defaults {
         let start_date = formatter.string(from: Calendar.current.date(byAdding: .day, value: -14, to: Date()) ?? Date())
         let end_date = formatter.string(from: Date())
 
-
         return ["account_alias": account_alias,
                 "begin_sequence": "1",
                 "end_date": end_date,