added tests for the polemicWidget.
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<title>Unit Tests</title>
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<script src="tests/annotationsWidget.js" type="text/javascript"></script>
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<script src="tests/tooltipWidget.js" type="text/javascript"></script>
<script src="tests/polemicWidget.js" type="text/javascript"></script>
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<script>
$(document).ready(function(){
/* only for unit-testing ! */
IriSP.jQuery = jQuery;
test_dataloader();
test_serializer();
test_mockSerializer();
test_mockTweetSerializer();
test_JSONSerializer();
test_serializerFactory();
test_widget();
test_player_widget();
test_annotations_widget();
test_segments_widget();
test_layout();
test_init();
test_tooltip_widget();
test_polemic_widget();
});
</script>
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