Clean up emptyOutDir generated file.

Now force file generation into the test/data/generated directory where other
such files go so tests are cleaned up properly.

test/file_extract_directory_test.rb

@@ -2,7 +2,8 @@ require 'test_helper'
 
 class ZipFileExtractDirectoryTest < MiniTest::Test
   include CommonZipFileFixture
-  TEST_OUT_NAME = "emptyOutDir"
+
+  TEST_OUT_NAME = "test/data/generated/emptyOutDir"
 
   def open_zip(&aProc)
     assert(aProc != nil)

test/settings_test.rb

@@ -3,7 +3,8 @@ require 'test_helper'
 class ZipSettingsTest < MiniTest::Test
   # TODO Refactor out into common test module
   include CommonZipFileFixture
-  TEST_OUT_NAME = "emptyOutDir"
+
+  TEST_OUT_NAME = "test/data/generated/emptyOutDir"
 
   def setup
     super