global.d.ts

declare type TTest = (done?) => any | Promise<any>;

declare interface IContract {
  (description: string, callback: (accounts?: string[]) => any): any;
  skip(description: string, callback: (accounts?: string[]) => any): any;
}

declare interface IDescribe {
  (description: string, callback: () => any): any;
  skip(description: string, callback: () => any): any;
}

declare interface IIt {
  (description: string, callback: TTest): any;
  skip(description: string, callback: TTest): any;
}

declare interface IAction {
  (callback: TTest): any;
  skip(callback: TTest): any;
}

declare const contract: IContract;
declare const describe: IDescribe;

declare const it: IIt;

declare const before: IAction;
declare const beforeEach: IAction;
declare const after: IAction;
declare const afterEach: IAction;