Update unit tests to be compatible with this refactoring

Updated:
- test_acl_pair to be compatible with FreqtradeBot() class
- test_default_strategy.py to be compatible with Analyze() class

freqtrade/tests/strategy/test_default_strategy.py

@@ -2,13 +2,13 @@ import json
 import pytest
 from pandas import DataFrame
 from freqtrade.strategy.default_strategy import DefaultStrategy, class_name
-from freqtrade.analyze import parse_ticker_dataframe
+from freqtrade.analyze import Analyze
 
 
 @pytest.fixture
 def result():
     with open('freqtrade/tests/testdata/BTC_ETH-1.json') as data_file:
-        return parse_ticker_dataframe(json.load(data_file))
+        return Analyze.parse_ticker_dataframe(json.load(data_file))
 
 
 def test_default_strategy_class_name():