Adapt test after merging develop

freqtrade/arguments.py

@@ -444,6 +444,7 @@ class Arguments(object):
             '-p', '--pairs',
             help='Show profits for only this pairs. Pairs are comma-separated.',
             dest='pairs',
+            required=True
         )
 
     def download_data_options(self) -> None:

freqtrade/tests/test_arguments.py

@@ -195,6 +195,7 @@ def test_plot_dataframe_options() -> None:
         '-p', 'UNITTEST/BTC',
     ]
     arguments = Arguments(args, '')
+    arguments.common_scripts_options()
     arguments.plot_dataframe_options()
     pargs = arguments.parse_args(True)
     assert pargs.indicators1 == "sma10,sma100"
@@ -205,6 +206,7 @@ def test_plot_dataframe_options() -> None:
     # Pop pairs argument
     args = args[:-2]
     arguments = Arguments(args, '')
+    arguments.common_scripts_options()
     arguments.plot_dataframe_options()
     with pytest.raises(SystemExit, match=r'2'):
         arguments.parse_args(True)