Accept -v/--verbose option and include the usual reporter

By default ci-queue overwrites the reporters array.

Minitest's verbose option is only utilized by it's own default reporter
and the default reporter that minitest-reporters replaces it with,
so the simplest thing to do is to simply include one of those.

ruby/lib/minitest/queue/runner.rb

@@ -531,6 +531,10 @@ def parser
             queue.config.redis_ttl = time
           end
 
+          opts.on("-v", "--verbose", "Verbose. Show progress processing files.") do
+            (Minitest::Reporters.reporters ||= []) << Minitest::Reporters::DefaultReporter.new(verbose: true)
+          end
+
           opts.separator ""
           opts.separator "    retry: Replays a previous run in the same order."
 

ruby/test/integration/minitest_redis_test.rb

@@ -22,6 +22,31 @@ def setup
       @exe = File.expand_path('../../../exe/minitest-queue', __FILE__)
     end
 
+    def test_verbose_reporter
+      out, err = capture_subprocess_io do
+        system(
+          { 'BUILDKITE' => '1' },
+          @exe, 'run',
+          '--queue', @redis_url,
+          '--seed', 'foobar',
+          '--build', '1',
+          '--worker', '1',
+          '--timeout', '1',
+          '--max-requeues', '1',
+          '--requeue-tolerance', '1',
+          '-Itest',
+          'test/dummy_test.rb',
+          '-v',
+          chdir: 'test/fixtures/',
+        )
+      end
+
+      assert_empty err
+      output = normalize(out.lines.last.strip)
+      assert_match %r{ATest#test_foo \d+\.\d+ = S}, out # verbose test ouptut
+      assert_equal '--- Ran 11 tests, 8 assertions, 2 failures, 1 errors, 1 skips, 4 requeues in X.XXs', output
+    end
+
     def test_buildkite_output
       out, err = capture_subprocess_io do
         system(