message: Fix findMatchingTests for directories
diff: @@ -19,7 +19,6 @@ const DependencyResolver = require('jest-resolve-dependencies');
  const chalk = require('chalk');
  const changedFiles = require('jest-changed-files');
  -const fileExists = require('jest-file-exists');
  const path = require('path');
  const {
  escapePathForRegex,
  @@ -162,13 +161,6 @@ class SearchSource {
  findMatchingTests(
  testPathPattern: StrOrRegExpPattern,
  ): SearchResult {
  - if (testPathPattern && !(testPathPattern instanceof RegExp)) {
  - const maybeFile = path.resolve(process.cwd(), testPathPattern);
  - if (fileExists(maybeFile, this._hasteContext.hasteFS)) {
  - return this._filterTestPathsWithStats([maybeFile]);
  - }
  - }
  -
  return this._getAllTestPaths(testPathPattern);
  }
  