text: const UserManager = require("./users-manager");
  const ValidationError = require("./errors/validation-error");
  const NotFoundError = require("./errors/not-found-error");
  
  describe("Users Manager: ", () => {
  
      describe("fetchUsers", () => {
          it("should fetch all users", () => {
  
          });
      });
  
      describe("fetchUser", () => {
          it("should throw a NotFoundError when the user is not found", () => {
  
          });
          
          it("should fetch a user with the given id", () => {
  
          });
  
      });
  
      describe("fetchPosts", () => {
  
      });
  
      describe("fetchPostComments", () => {
  
      });
  
      describe("fetchComments", () => {
  
      });
  
  });