参见 Jasmine 测试框架.

it(...) 函数定义了一个测试用例(又名规范").

See the Jasmine testing framework.

The it(...) function defines a test case (aka a "spec").

describe("A suite", function() {
  it("contains spec with an expectation", function() {
    expect(true).toBe(true);
  });
});

请注意，AngularJS E2E 测试...

... 使用 Jasmine 作为其测试语法.

... uses Jasmine for its test syntax.