Fix typos

Author: znz

test/fileutils/test_fileutils.rb

@@ -770,9 +770,9 @@ def test_remove_entry_multibyte_path
     File.write("#{dir}/#{c}.txt", "test_remove_entry_multibyte_path")
 
     remove_entry dir
-    assert_no_file_exist dir
+    assert_file_not_exist dir
   rescue MiniTest::Assertion
-    STDERR.puts Dir.glob("#{dir}/**").inspect
+    STDERR.puts Dir.glob("#{dir}/**/*").inspect
     raise
   end