jest: Error running jest tests on jest master branch

Hey guys,

I am planing to make a PR but for some reason I am getting a lot of errors running jest tests in the master branch on a clean clone:

yarn test v0.17.8
$ yarn typecheck && yarn lint && yarn jest 
yarn typecheck v0.17.8
$ flow check --include-warnings 
Error: packages/babel-jest/src/index.js:16
 16: import jestPreset from 'babel-preset-jest';
                            ^^^^^^^^^^^^^^^^^^^ babel-preset-jest. Required module not found

Error: packages/babel-jest/src/index.js:18
 18: import babelIstanbulPlugin from 'babel-plugin-istanbul';
                                     ^^^^^^^^^^^^^^^^^^^^^^^ babel-plugin-istanbul. Required module not found

Error: packages/jest-changed-files/src/index.js:15
 15: import throat from 'throat';
                        ^^^^^^^^ throat. Required module not found

Error: packages/jest-circus/src/format_node_assert_errors.js:10
 10: import type {DiffOptions} from 'jest-diff/src/diff_strings.js';
                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ jest-diff/src/diff_strings.js. Required module not found

Error: packages/jest-circus/src/legacy_code_todo_rewrite/jest_adapter_init.js:14
 14: import {extractExpectedAssertionsErrors, getState, setState} from 'expect';
                                                                       ^^^^^^^^ expect. Required module not found

Error: packages/jest-circus/src/legacy_code_todo_rewrite/jest_expect.js:12
 12: import expect from 'expect';
                        ^^^^^^^^ expect. Required module not found

Error: packages/jest-cli/src/cli/index.js:25
 25: import exit from 'exit';
                      ^^^^^^ exit. Required module not found

Error: packages/jest-cli/src/cli/index.js:36
 36: import {sync as realpath} from 'realpath-native';
                                    ^^^^^^^^^^^^^^^^^ realpath-native. Required module not found

Error: packages/jest-cli/src/reporters/coverage_worker.js:12
 12: import exit from 'exit';
                      ^^^^^^ exit. Required module not found

Error: packages/jest-cli/src/reporters/notify_reporter.js:14
 14: import exit from 'exit';
                      ^^^^^^ exit. Required module not found

Error: packages/jest-cli/src/reporters/notify_reporter.js:17
 17: import notifier from 'node-notifier';
                          ^^^^^^^^^^^^^^^ node-notifier. Required module not found

Error: packages/jest-cli/src/run_jest.js:19
 19: import exit from 'exit';
                      ^^^^^^ exit. Required module not found

Error: packages/jest-cli/src/test_scheduler.js:24
 24: import exit from 'exit';
                      ^^^^^^ exit. Required module not found

Error: packages/jest-cli/src/watch.js:17
 17: import exit from 'exit';
                      ^^^^^^ exit. Required module not found

Error: packages/jest-docblock/src/index.js:10
 10: import detectNewline from 'detect-newline';
                               ^^^^^^^^^^^^^^^^ detect-newline. Required module not found

Error: packages/jest-environment-jsdom/src/index.js:17
 17: import {JSDOM, VirtualConsole} from 'jsdom';
                                         ^^^^^^^ jsdom. Required module not found

Error: packages/jest-haste-map/src/crawlers/watchman.js:15
 15: import watchman from 'fb-watchman';
                          ^^^^^^^^^^^^^ fb-watchman. Required module not found

Error: packages/jest-haste-map/src/index.js:32
 32: import sane from 'sane';
                      ^^^^^^ sane. Required module not found

Error: packages/jest-jasmine2/src/assert_support.js:10
 10: import type {DiffOptions} from 'jest-diff/src/diff_strings';
                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ jest-diff/src/diff_strings. Required module not found

Error: packages/jest-jasmine2/src/jasmine_async.js:17
 17: import isGeneratorFn from 'is-generator-fn';
                               ^^^^^^^^^^^^^^^^^ is-generator-fn. Required module not found

Error: packages/jest-jasmine2/src/jest_expect.js:12
 12: import expect from 'expect';
                        ^^^^^^^^ expect. Required module not found

Error: packages/jest-jasmine2/src/setup_jest_globals.js:13
 13: import {extractExpectedAssertionsErrors, getState, setState} from 'expect';
                                                                       ^^^^^^^^ expect. Required module not found

Error: packages/jest-leak-detector/src/index.js:41
 41:       weak = require('weak');
                          ^^^^^^ weak. Required module not found

Error: packages/jest-message-util/src/index.js:18
 18: import {codeFrameColumns} from '@babel/code-frame';
                                    ^^^^^^^^^^^^^^^^^^^ @babel/code-frame. Required module not found

Error: packages/jest-message-util/src/index.js:19
 19: import StackUtils from 'stack-utils';
                            ^^^^^^^^^^^^^ stack-utils. Required module not found

Error: packages/jest-runner/src/index.js:22
 22: import exit from 'exit';
                      ^^^^^^ exit. Required module not found

Error: packages/jest-runner/src/index.js:24
 24: import throat from 'throat';
                        ^^^^^^^^ throat. Required module not found

Error: packages/jest-runner/src/test_worker.js:14
 14: import exit from 'exit';
                      ^^^^^^ exit. Required module not found

Error: packages/jest-runtime/src/cli/index.js:14
 14: import exit from 'exit';
                      ^^^^^^ exit. Required module not found

Error: packages/jest-runtime/src/script_transformer.js:23
 23: import babelPluginIstanbul from 'babel-plugin-istanbul';
                                     ^^^^^^^^^^^^^^^^^^^^^^^ babel-plugin-istanbul. Required module not found

Error: packages/jest-runtime/src/script_transformer.js:31
 31: import {sync as realpath} from 'realpath-native';
                                    ^^^^^^^^^^^^^^^^^ realpath-native. Required module not found

Error: packages/jest-validate/src/utils.js:12
 12: import leven from 'leven';
                       ^^^^^^^ leven. Required module not found

Error: packages/jest-worker/src/index.js:12
 12: import mergeStream from 'merge-stream';
                             ^^^^^^^^^^^^^^ merge-stream. Required module not found

Error: packages/jest/src/jest.js:10
 10: import cli from 'jest-cli';
                     ^^^^^^^^^^ jest-cli. Required module not found

Error: types/TestRunner.js:20
 20: import type {TestWatcher as _TestWatcher} from 'jest-cli';
                                                    ^^^^^^^^^^ jest-cli. Required module not found


Found 35 errors
error Command failed with exit code 2.
error Command failed with exit code 1.

Node version: v8.9.4, yarn version: 0.17.8