test/protocol/04/test_name.rb in net-sftp-2.0.1 vs test/protocol/04/test_name.rb in net-sftp-2.0.2

@@ -9,11 +9,15 @@
     @link      = Net::SFTP::Protocol::V04::Name.new("test", Net::SFTP::Protocol::V04::Attributes.new(:type => 3, :mtime => 1205293237, :owner => "jamis", :group => "users", :size => 32, :permissions => 0755))
     @file      = Net::SFTP::Protocol::V04::Name.new("test", Net::SFTP::Protocol::V04::Attributes.new(:type => 1, :mtime => 1205293237, :owner => "jamis", :group => "users", :size => 10240, :permissions => 0755))
   end
 
   def teardown
-    ENV['TZ'] = @save_tz
+    if @save_tz
+      ENV['TZ'] = @save_tz
+    else
+      ENV.delete('TZ')
+    end
   end
 
   def test_directory?
     assert @directory.directory?
     assert !@link.directory?
@@ -44,6 +48,6 @@
 
   def test_longname_for_file_should_format_as_file
     assert_equal "-rwxr-xr-x jamis    users       10240 Mar 12 03:40 test",
       @file.longname
   end
-end
\ No newline at end of file
+end