old_contents: import test from 'tape';
  import { methods, isStamp } from '../';
  
  test('methods()', nest => {
    const a = { a: () => {} };
    const b = { b: () => {} };
    const c = { c: () => {} };
  
    nest.test('...with no arguments', assert => {
      const actual = isStamp(methods());
      const expected = true;
  
      assert.equal(actual, expected,
        'should return a stamp');
  
      assert.end();
    });
  
    nest.test('...with a single object', assert => {
      const actual = methods(a).compose.methods.a;
      const expected = a.a;
  
      assert.equal(actual, expected,
        'should add a single method');
  
      assert.end();
    });
  
    nest.test('...with multiple arguments', assert => {
      const actual = methods(a, b, c).compose.methods;
      const expected = {a: a.a, b: b.b, c: c.c};
  
      assert.deepEqual(actual, expected,
        'should add all arguments');
  
      assert.end();
    });
  
    nest.test('...creating instance', assert => {
      const abc = Object.assign(a, b, c);
  
      const actual = Object.getPrototypeOf(methods(abc)());
      const expected = abc;
  
      assert.deepEqual(actual, expected,
        'should have all methods');
  
      assert.end();
    });
  });
  
new_contents: import test from 'tape';
  import _ from 'lodash';
  import { methods, isStamp } from '../';
  
  test('methods()', nest => {
    const a = { a: () => {} };
    const b = { b: () => {} };
    const c = { c: () => {} };
  
    nest.test('...with no arguments', assert => {
      const actual = isStamp(methods());
      const expected = true;
  
      assert.equal(actual, expected,
        'should return a stamp');
  
      assert.end();
    });
  
    nest.test('...with a single object', assert => {
      const actual = methods(a).compose.methods.a;
      const expected = a.a;
  
      assert.equal(actual, expected,
        'should add a single method');
  
      assert.end();
    });
  
    nest.test('...with multiple arguments', assert => {
      const actual = methods(a, b, c).compose.methods;
      const expected = {a: a.a, b: b.b, c: c.c};
  
      assert.deepEqual(actual, expected,
        'should add all arguments');
  
      assert.end();
    });
  
    nest.test('...creating instance', assert => {
      const abc = _.assign(a, b, c);
  
      const actual = Object.getPrototypeOf(methods(abc)());
      const expected = abc;
  
      assert.deepEqual(actual, expected,
        'should have all methods');
  
      assert.end();
    });
  });
  
subject: Fix tests for older envs.