TST: Simplify another test

Author: kernc

Diff for: backtesting/test/_test.py

@@ -649,8 +649,6 @@ def test_file_size(self):
     def test_params(self):
         bt = Backtest(GOOG.iloc[:100], SmaCross)
         bt.run()
-        fbt = FractionalBacktest(GOOG.iloc[:100], SmaCross, fractional_unit=1/1e6)
-        fbt.run()
         with _tempfile() as f:
             for p in dict(plot_volume=False,  # noqa: C408
                           plot_equity=False,