'Test str_replace function missing param is OK.'

def test_str_replace_missing_param(self):

    snippet = {'str_replace': {'template': 'Template    var1    string    var2', 'params': {'var1': 'foo', 'var2': 'bar', 'var3': 'zed'}}}
    snippet_resolved = 'Template    foo    string    bar'
    for hot_tpl in (hot_tpl_empty, hot_ocata_tpl_empty):
        tmpl = template.Template(hot_tpl)
        self.assertEqual(snippet_resolved, self.resolve(snippet, tmpl))
