Remove unused test methods

tests/edge/test_edge.py

@@ -30,49 +30,6 @@ from tests.optimize import (BTContainer, BTrade, _build_backtest_dataframe,
 tests_start_time = arrow.get(2018, 10, 3)
 timeframe_in_minute = 60
 
-# Helpers for this test file
-
-
-def _validate_ohlc(buy_ohlc_sell_matrice):
-    for index, ohlc in enumerate(buy_ohlc_sell_matrice):
-        # if not high < open < low or not high < close < low
-        if not ohlc[3] >= ohlc[2] >= ohlc[4] or not ohlc[3] >= ohlc[5] >= ohlc[4]:
-            raise Exception('Line ' + str(index + 1) + ' of ohlc has invalid values!')
-    return True
-
-
-def _build_dataframe(buy_ohlc_sell_matrice):
-    _validate_ohlc(buy_ohlc_sell_matrice)
-    data = []
-    for ohlc in buy_ohlc_sell_matrice:
-        d = {
-            'date': tests_start_time.shift(
-                minutes=(
-                    ohlc[0] *
-                    timeframe_in_minute)).int_timestamp *
-            1000,
-            'buy': ohlc[1],
-            'open': ohlc[2],
-            'high': ohlc[3],
-            'low': ohlc[4],
-            'close': ohlc[5],
-            'sell': ohlc[6]}
-        data.append(d)
-
-    frame = DataFrame(data)
-    frame['date'] = to_datetime(frame['date'],
-                                unit='ms',
-                                utc=True,
-                                infer_datetime_format=True)
-
-    return frame
-
-
-def _time_on_candle(number):
-    return np.datetime64(tests_start_time.shift(
-        minutes=(number * timeframe_in_minute)).int_timestamp * 1000, 'ms')
-
-
 # End helper functions
 # Open trade should be removed from the end
 tc0 = BTContainer(data=[