Increase pylint score on test files

freqtrade/tests/test_analyze.py

@@ -1,10 +1,8 @@
-# pragma pylint: disable=missing-docstring,W0621
+# pragma pylint: disable=missing-docstring, C0103
 import datetime
-import json
 from unittest.mock import MagicMock
 
 import arrow
-import pytest
 from pandas import DataFrame
 
 import freqtrade.tests.conftest as tt  # test tools
@@ -14,12 +12,6 @@ from freqtrade.analyze import (get_signal, parse_ticker_dataframe,
 from freqtrade.strategy.strategy import Strategy
 
 
-@pytest.fixture
-def result():
-    with open('freqtrade/tests/testdata/BTC_ETH-1.json') as data_file:
-        return parse_ticker_dataframe(json.load(data_file))
-
-
 def test_dataframe_correct_columns(result):
     assert result.columns.tolist() == \
         ['close', 'high', 'low', 'open', 'date', 'volume']