updated saveTiddler fixture
updated saveTiddler fixture

annoyingly, this was forgotten when removing the saveTiddler hijack from
TiddlySpaceConfig - so obviously FND didn't run the tests!

FND/tiddlyspace,TiddlySpace/tiddlyspace,TiddlySpace/tiddlyspace,TiddlySpace/tiddlyspace,FND/tiddlyspace,FND/tiddlyspace