message: remove unnecessary public declaration on constructor
diff: @@ -45,8 +45,8 @@ export class BotkitTestClient {
  * @param middlewares (Optional) a stack of middleware to be run when testing
  * @param conversationState (Optional) A ConversationState instance to use in the test client
  */
  - public constructor(channelId: string, bot: Botkit, dialogToTest: string | string[], initialDialogOptions?: any, middlewares?: Middleware[], conversationState?: ConversationState);
  - public constructor(testAdapter: TestAdapter, bot: Botkit, dialogToTest: string | string[], initialDialogOptions?: any, middlewares?: Middleware[], conversationState?: ConversationState)
  + constructor(channelId: string, bot: Botkit, dialogToTest: string | string[], initialDialogOptions?: any, middlewares?: Middleware[], conversationState?: ConversationState)
  + constructor(testAdapter: TestAdapter, bot: Botkit, dialogToTest: string | string[], initialDialogOptions?: any, middlewares?: Middleware[], conversationState?: ConversationState)
  constructor(channelOrAdapter: string | TestAdapter, bot: Botkit, dialogToTest: string | string[], initialDialogOptions?: any, middlewares?: Middleware[], conversationState?: ConversationState) {
  this.conversationState = conversationState || new ConversationState(new MemoryStorage());
  