Move the help tests to ruby bare app feature tests

features/rspec-ruby/retest/retest_test/flags_test.rb

@@ -19,14 +19,4 @@ def test_with_no_command
 
     assert_match "Test File Selected: spec/bottles_spec.rb", @output.read
   end
-
-  def test_help
-    @output, @pid = launch_retest 'retest --help'
-
-    assert_match <<~EXPECTED, @output.read
-      Usage: retest  [OPTIONS] [COMMAND]
-
-      Watch a file change and run it matching spec.
-    EXPECTED
-  end
 end

features/ruby-app/retest/retest_test/flags_test.rb

@@ -19,14 +19,4 @@ def test_with_no_command
 
     assert_match "Test File Selected: test/bottles_test.rb", @output.read
   end
-
-  def test_help
-    @output, @pid = launch_retest 'retest --help'
-
-    assert_match <<~EXPECTED, @output.read
-      Usage: retest  [OPTIONS] [COMMAND]
-
-      Watch a file change and run it matching spec.
-    EXPECTED
-  end
 end

features/ruby-bare/retest/flags/help.rb

@@ -0,0 +1,21 @@
+class TestHelpFlag < Minitest::Test
+  def test_help
+    @output, @pid = launch_retest 'retest --help'
+
+    assert_match <<~EXPECTED, @output.read
+      Usage: retest  [OPTIONS] [COMMAND]
+
+      Watch a file change and run it matching spec.
+    EXPECTED
+  end
+
+  def test_help_short_flag
+    @output, @pid = launch_retest 'retest -h'
+
+    assert_match <<~EXPECTED, @output.read
+      Usage: retest  [OPTIONS] [COMMAND]
+
+      Watch a file change and run it matching spec.
+    EXPECTED
+  end
+end

features/ruby-bare/retest/retest_test.rb

@@ -9,6 +9,8 @@
 require_relative 'scenarios/force_polling.rb'
 require_relative 'scenarios/interruptions.rb'
 
+require_relative 'flags/help.rb'
+
 $stdout.sync = true
 
 include FileHelper