Merge branch 'ce-6481-use-elasticsearch-indexer-in-specs' into 'master'

CE backport for "Use gitlab-elasticsearch-indexer in tests"

See merge request gitlab-org/gitlab-ce!28369

GITLAB_ELASTICSEARCH_INDEXER_VERSION

@@ -0,0 +1 @@
+1.1.0

spec/support/helpers/test_env.rb

@@ -135,7 +135,7 @@ module TestEnv
 
   def clean_gitlab_test_path
     Dir[TMP_TEST_PATH].each do |entry|
-      if File.basename(entry) =~ /\A(gitlab-(test|test_bare|test-fork|test-fork_bare))\z/
+      unless test_dirs.include?(File.basename(entry))
         FileUtils.rm_rf(entry)
       end
     end
@@ -312,6 +312,18 @@ module TestEnv
 
   private
 
+  # These are directories that should be preserved at cleanup time
+  def test_dirs
+    @test_dirs ||= %w[
+      gitaly
+      gitlab-shell
+      gitlab-test
+      gitlab-test_bare
+      gitlab-test-fork
+      gitlab-test-fork_bare
+    ]
+  end
+
   def factory_repo_path
     @factory_repo_path ||= Rails.root.join('tmp', 'tests', factory_repo_name)
   end