diff --git a/tests/data/test_history.py b/tests/data/test_history.py
index 857967f39..e747794e5 100644
--- a/tests/data/test_history.py
+++ b/tests/data/test_history.py
@@ -160,7 +160,7 @@ def test_load_data_live_noexchange(default_conf, mocker, caplog, testdatadir) ->
 
 
 def test_testdata_path(testdatadir) -> None:
-    assert str(Path('freqtrade') / 'tests' / 'testdata') in str(testdatadir)
+    assert str(Path('tests') / 'testdata') in str(testdatadir)
 
 
 def test_load_cached_data_for_updating(mocker) -> None:
diff --git a/tests/optimize/test_hyperopt.py b/tests/optimize/test_hyperopt.py
index eec9e7c19..900405f03 100644
--- a/tests/optimize/test_hyperopt.py
+++ b/tests/optimize/test_hyperopt.py
@@ -1,5 +1,4 @@
 # pragma pylint: disable=missing-docstring,W0212,C0103
-import os
 from datetime import datetime
 from pathlib import Path
 from unittest.mock import MagicMock, PropertyMock
@@ -54,7 +53,7 @@ def create_trials(mocker, hyperopt, testdatadir) -> None:
       - we might have a pickle'd file so make sure that we return
         false when looking for it
     """
-    hyperopt.trials_file = testdatadir / '/optimize/ut_trials.pickle'
+    hyperopt.trials_file = testdatadir / 'optimize/ut_trials.pickle'
 
     mocker.patch.object(Path, "is_file", MagicMock(return_value=False))
     stat_mock = MagicMock()
@@ -356,23 +355,23 @@ def test_no_log_if_loss_does_not_improve(hyperopt, caplog) -> None:
     assert caplog.record_tuples == []
 
 
-def test_save_trials_saves_trials(mocker, hyperopt, caplog) -> None:
-    trials = create_trials(mocker, hyperopt)
+def test_save_trials_saves_trials(mocker, hyperopt, testdatadir, caplog) -> None:
+    trials = create_trials(mocker, hyperopt, testdatadir)
     mock_dump = mocker.patch('freqtrade.optimize.hyperopt.dump', return_value=None)
     hyperopt.trials = trials
     hyperopt.save_trials()
 
-    trials_file = os.path.join('freqtrade', 'tests', 'optimize', 'ut_trials.pickle')
-    assert log_has("Saving 1 evaluations to '{}'".format(trials_file), caplog)
+    trials_file = testdatadir / 'optimize' / 'ut_trials.pickle'
+    assert log_has(f"Saving 1 evaluations to '{trials_file}'", caplog)
     mock_dump.assert_called_once()
 
 
-def test_read_trials_returns_trials_file(mocker, hyperopt, caplog) -> None:
-    trials = create_trials(mocker, hyperopt)
+def test_read_trials_returns_trials_file(mocker, hyperopt, testdatadir, caplog) -> None:
+    trials = create_trials(mocker, hyperopt, testdatadir)
     mock_load = mocker.patch('freqtrade.optimize.hyperopt.load', return_value=trials)
     hyperopt_trial = hyperopt.read_trials()
-    trials_file = os.path.join('freqtrade', 'tests', 'optimize', 'ut_trials.pickle')
-    assert log_has("Reading Trials from '{}'".format(trials_file), caplog)
+    trials_file = testdatadir / 'optimize' / 'ut_trials.pickle'
+    assert log_has(f"Reading Trials from '{trials_file}'", caplog)
     assert hyperopt_trial == trials
     mock_load.assert_called_once()
 
diff --git a/tests/test_configuration.py b/tests/test_configuration.py
index e6532cecc..20ebda440 100644
--- a/tests/test_configuration.py
+++ b/tests/test_configuration.py
@@ -26,7 +26,7 @@ from tests.conftest import (log_has, log_has_re,
 
 @pytest.fixture(scope="function")
 def all_conf():
-    config_file = Path(__file__).parents[2] / "config_full.json.example"
+    config_file = Path(__file__).parents[1] / "config_full.json.example"
     print(config_file)
     conf = load_config_file(str(config_file))
     return conf
diff --git a/tests/test_main.py b/tests/test_main.py
index d6fafe09b..eec81ee18 100644
--- a/tests/test_main.py
+++ b/tests/test_main.py
@@ -10,9 +10,9 @@ from freqtrade.configuration import Arguments
 from freqtrade.freqtradebot import FreqtradeBot
 from freqtrade.main import main
 from freqtrade.state import State
-from tests.conftest import (log_has, patch_exchange,
-                                      patched_configuration_load_config_file)
 from freqtrade.worker import Worker
+from tests.conftest import (log_has, patch_exchange,
+                            patched_configuration_load_config_file)
 
 
 def test_parse_args_backtesting(mocker) -> None: