Merge branch '2.8' into 3.4

* 2.8:
  [Bridge\PhpUnit] Exit as late as possible
  Update Repository Symlink Helper
  Document explicitly that dotfiles and vcs files are ignored by default
  do not mock the container builder in tests

Author: nicolas-grekas

Finder.php

@@ -313,6 +313,8 @@ public function exclude($dirs)
     /**
      * Excludes "hidden" directories and files (starting with a dot).
      *
+     * This option is enabled by default.
+     *
      * @param bool $ignoreDotFiles Whether to exclude "hidden" files or not
      *
      * @return $this
@@ -333,6 +335,8 @@ public function ignoreDotFiles($ignoreDotFiles)
     /**
      * Forces the finder to ignore version control directories.
      *
+     * This option is enabled by default.
+     *
      * @param bool $ignoreVCS Whether to exclude VCS files or not
      *
      * @return $this