Regenerate test Gremlin after adding union() start step CTR
diff --git a/gremlin-python/src/main/python/radish/gremlin.py b/gremlin-python/src/main/python/radish/gremlin.py
index 9fab78c..7af4b97 100644
--- a/gremlin-python/src/main/python/radish/gremlin.py
+++ b/gremlin-python/src/main/python/radish/gremlin.py
@@ -87,6 +87,12 @@
'g_VX1X_repeatXrepeatXunionXout_uses_out_traversesXX_whereXloops_isX0X_timesX1X_timeX2X_name': [(lambda g, vid1=None:g.V(vid1).repeat(__.repeat(__.union(__.out('uses'),__.out('traverses')).where(__.loops().is_(0))).times(1)).times(2).name)],
'g_V_repeatXa_outXknows_repeatXb_outXcreatedX_filterXloops_isX0XX_emit_lang': [(lambda g:g.V().repeat('a',__.out('knows').repeat('b',__.out('created').filter_(__.loops('a').is_(0))).emit()).emit().lang)],
'g_VX6X_repeatXa_bothXcreatedX_simplePathX_emitXrepeatXb_bothXknowsXX_untilXloopsXbX_asXb_whereXloopsXaX_asXbX_hasXname_vadasXX_dedup_name': [(lambda g, vid6=None:g.V(vid6).repeat('a',__.both('created').simplePath()).emit(__.repeat('b',__.both('knows')).until(__.loops('b').as_('b').where(__.loops('a').as_('b'))).has('name','vadas')).dedup().name)],
+ 'g_unionXX': [(lambda g:g.union())],
+ 'g_unionXconstantX1X_constantX2X_constantX3XX': [(lambda g, xx1=None,xx3=None,xx2=None:g.union(__.constant(xx1),__.constant(xx2),__.constant(xx3)))],
+ 'g_unionXV_name': [(lambda g:g.union(__.V().name))],
+ 'g_unionXVXv1X_VX4XX_name': [(lambda g, v4=None,v1=None:g.union(__.V(v1),__.V(v4)).name)],
+ 'g_unionXV_hasLabelXsoftwareX_V_hasLabelXpersonXX_name': [(lambda g:g.union(__.V().hasLabel('software'),__.V().hasLabel('person')).name)],
+ 'g_V_unionXconstantX1X_constantX2X_constantX3XX': [(lambda g, xx1=None,xx3=None,xx2=None,v2=None:g.V(v2).union(__.constant(xx1),__.constant(xx2),__.constant(xx3)))],
'g_V_unionXout__inX_name': [(lambda g:g.V().union(__.out(),__.in_()).name)],
'g_VX1X_unionXrepeatXoutX_timesX2X__outX_name': [(lambda g, vid1=None:g.V(vid1).union(__.repeat(__.out()).times(2),__.out()).name)],
'g_V_chooseXlabel_is_person__unionX__out_lang__out_nameX__in_labelX': [(lambda g:g.V().choose(__.label().is_('person'),__.union(__.out().lang,__.out().name),__.in_().label()))],
