diff --git a/freqtrade/tests/test_persistence.py b/freqtrade/tests/test_persistence.py
index 401de7acb..8ff8f22ae 100644
--- a/freqtrade/tests/test_persistence.py
+++ b/freqtrade/tests/test_persistence.py
@@ -2,7 +2,6 @@
 import os
 import pytest
 from sqlalchemy import create_engine
-from freqtrade.exchange import Exchanges
 from freqtrade.persistence import Trade, init, clean_dry_run_db
 
 
@@ -117,10 +116,10 @@ def test_update_with_bittrex(limit_buy_order, limit_sell_order):
     """
 
     trade = Trade(
-        pair='BTC_ETH',
+        pair='ETH/BTC',
         stake_amount=0.001,
         fee=0.0025,
-        exchange=Exchanges.BITTREX,
+        exchange="BITTREX",
     )
     assert trade.open_order_id is None
     assert trade.open_rate is None
@@ -144,10 +143,10 @@ def test_update_with_bittrex(limit_buy_order, limit_sell_order):
 
 def test_calc_open_close_trade_price(limit_buy_order, limit_sell_order):
     trade = Trade(
-        pair='BTC_ETH',
+        pair='ETH/BTC',
         stake_amount=0.001,
         fee=0.0025,
-        exchange=Exchanges.BITTREX,
+        exchange="BITTREX",
     )
 
     trade.open_order_id = 'something'
@@ -166,10 +165,10 @@ def test_calc_open_close_trade_price(limit_buy_order, limit_sell_order):
 
 def test_calc_close_trade_price_exception(limit_buy_order):
     trade = Trade(
-        pair='BTC_ETH',
+        pair='ETH/BTC',
         stake_amount=0.001,
         fee=0.0025,
-        exchange=Exchanges.BITTREX,
+        exchange="BITTREX",
     )
 
     trade.open_order_id = 'something'
@@ -179,10 +178,10 @@ def test_calc_close_trade_price_exception(limit_buy_order):
 
 def test_update_open_order(limit_buy_order):
     trade = Trade(
-        pair='BTC_ETH',
+        pair='ETH/BTC',
         stake_amount=1.00,
         fee=0.1,
-        exchange=Exchanges.BITTREX,
+        exchange="BITTREX",
     )
 
     assert trade.open_order_id is None
@@ -201,10 +200,10 @@ def test_update_open_order(limit_buy_order):
 
 def test_update_invalid_order(limit_buy_order):
     trade = Trade(
-        pair='BTC_ETH',
+        pair='ETH/BTC',
         stake_amount=1.00,
         fee=0.1,
-        exchange=Exchanges.BITTREX,
+        exchange="BITTREX"
     )
     limit_buy_order['type'] = 'invalid'
     with pytest.raises(ValueError, match=r'Unknown order type'):
@@ -213,10 +212,10 @@ def test_update_invalid_order(limit_buy_order):
 
 def test_calc_open_trade_price(limit_buy_order):
     trade = Trade(
-        pair='BTC_ETH',
+        pair='ETH/BTC',
         stake_amount=0.001,
         fee=0.0025,
-        exchange=Exchanges.BITTREX,
+        exchange="BITTREX",
     )
     trade.open_order_id = 'open_trade'
     trade.update(limit_buy_order)  # Buy @ 0.00001099
@@ -230,10 +229,10 @@ def test_calc_open_trade_price(limit_buy_order):
 
 def test_calc_close_trade_price(limit_buy_order, limit_sell_order):
     trade = Trade(
-        pair='BTC_ETH',
+        pair='ETH/BTC',
         stake_amount=0.001,
         fee=0.0025,
-        exchange=Exchanges.BITTREX,
+        exchange="BITTREX",
     )
     trade.open_order_id = 'close_trade'
     trade.update(limit_buy_order)  # Buy @ 0.00001099
@@ -251,10 +250,10 @@ def test_calc_close_trade_price(limit_buy_order, limit_sell_order):
 
 def test_calc_profit(limit_buy_order, limit_sell_order):
     trade = Trade(
-        pair='BTC_ETH',
+        pair='ETH/BTC',
         stake_amount=0.001,
         fee=0.0025,
-        exchange=Exchanges.BITTREX,
+        exchange="BITTREX",
     )
     trade.open_order_id = 'profit_percent'
     trade.update(limit_buy_order)  # Buy @ 0.00001099
@@ -285,10 +284,10 @@ def test_calc_profit(limit_buy_order, limit_sell_order):
 
 def test_calc_profit_percent(limit_buy_order, limit_sell_order):
     trade = Trade(
-        pair='BTC_ETH',
+        pair='ETH/BTC',
         stake_amount=0.001,
         fee=0.0025,
-        exchange=Exchanges.BITTREX,
+        exchange="BITTREX",
     )
     trade.open_order_id = 'profit_percent'
     trade.update(limit_buy_order)  # Buy @ 0.00001099