[RF][Python] Remove invalid plotOn(.., PlotOpt) overload test

We should not test the pythonization for this protected overload,
because it should not be called by the user and hence there is nothing
to Pythonize.

Author: guitargeek

bindings/pyroot/pythonizations/test/roofit/roodatahist_ploton.py

@@ -39,14 +39,6 @@ def create_hist_and_frame(self):
     def test_overload1(self):
         dh, yframe = self.create_hist_and_frame()
 
-        # Overload in RooDataHist
-        # RooPlot* RooDataHist::plotOn(RooPlot* frame, RooAbsData::PlotOpt o)
-        res = dh.plotOn(yframe, ROOT.RooAbsData.PlotOpt())
-        self.assertEqual(type(res), ROOT.RooPlot)
-
-    def test_overload2(self):
-        dh, yframe = self.create_hist_and_frame()
-
         # Overload taken from RooAbsData
         # RooPlot* RooAbsData::plotOn(RooPlot* frame, const RooCmdArg& arg1 = {},
         # const RooCmdArg& arg2 = {}, const RooCmdArg& arg3 = {},
@@ -56,7 +48,7 @@ def test_overload2(self):
         res = dh.plotOn(yframe)
         self.assertEqual(type(res), ROOT.RooPlot)
 
-    def test_overload3(self):
+    def test_overload2(self):
         dh, yframe = self.create_hist_and_frame()
 
         # Overload taken from RooAbsData