diff --git a/tests/pipelines/test_team_B23O.py b/tests/pipelines/test_team_B23O.py
index 9a3242fe..db3aee67 100644
--- a/tests/pipelines/test_team_B23O.py
+++ b/tests/pipelines/test_team_B23O.py
@@ -90,48 +90,15 @@ def test_subject_information():
 
     @staticmethod
     @mark.unit_test
-    def test_confounds_file_no_outliers(temporary_data_dir):
-        """ Test the get_confounds_file method in the case with no outliers """
+    def test_confounds_file(temporary_data_dir):
+        """ Test the get_confounds_file method """
 
         # Get input and reference output file
         confounds_file = join(
             Configuration()['directories']['test_data'], 'pipelines', 'confounds.tsv')
         reference_file = join(
             Configuration()['directories']['test_data'],
-            'pipelines', 'team_B23O', 'out_confounds_no_outliers.tsv')
-
-        # Create new confounds file
-        confounds_node = Node(Function(
-            input_names = ['filepath', 'subject_id', 'run_id'],
-            output_names = ['confounds_file'],
-            function = PipelineTeamB23O.get_confounds_file),
-            name = 'confounds_node')
-        confounds_node.base_dir = temporary_data_dir
-        confounds_node.inputs.filepath = confounds_file
-        confounds_node.inputs.subject_id = 'sid'
-        confounds_node.inputs.run_id = 'rid'
-        confounds_node.run()
-
-        # Check confounds file was created
-        created_confounds_file = abspath(join(
-            temporary_data_dir, confounds_node.name, 'confounds_file_sub-sid_run-rid.tsv'))
-        assert exists(created_confounds_file)
-
-        # Check contents
-        assert cmp(reference_file, created_confounds_file)
-
-    @staticmethod
-    @mark.unit_test
-    def test_confounds_file_outliers(temporary_data_dir):
-        """ Test the get_confounds_file method in the case with outliers """
-
-        # Get input and reference output file
-        confounds_file = join(
-            Configuration()['directories']['test_data'],
-            'pipelines', 'team_B23O', 'confounds_with_outliers.tsv')
-        reference_file = join(
-            Configuration()['directories']['test_data'],
-            'pipelines', 'team_B23O', 'out_confounds_outliers.tsv')
+            'pipelines', 'team_B23O', 'confounds.tsv')
 
         # Create new confounds file
         confounds_node = Node(Function(
diff --git a/tests/test_data/pipelines/team_B23O/confounds.tsv b/tests/test_data/pipelines/team_B23O/confounds.tsv
index 1e19db46..d471d547 100644
--- a/tests/test_data/pipelines/team_B23O/confounds.tsv
+++ b/tests/test_data/pipelines/team_B23O/confounds.tsv
@@ -1,3 +1,3 @@
 6551.281999999999	6476.4653	9874.576	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	1.0	0.0	0.0	0.0	0.0	-0.0	0.0
-6484.7285	6473.4890000000005	9830.212	0.0263099209	-0.0673065879	0.0934882554	-0.0079328884	0.0338007737	-0.011491083999999999	-0.042411347099999996	0.027736422900000002	0.0453303087	-0.07022609490000001	0.0963618709	-0.0200867957	0.0665186088	0.0665174038	0.0665153954	0.0665125838	0.0665089688	0.06650455059999999	0.0	-0.00996895	-0.0313444	-3.00931e-06	0.00132687	-0.000384193	-0.00016819
-6441.5337	6485.7256	9821.212	-0.0404820317	0.034150583	0.13661184210000002	0.0745358691	-0.0054829985999999995	-0.0217322686	0.046214115199999996	0.005774624	-0.043909359800000006	-0.075619539	0.17546891539999998	-0.0345256763	0.0665153954	0.06650455059999999	0.06648647719999999	0.0664611772	0.0664286533	0.0663889091	0.0	-2.56954e-05	-0.00923735	0.0549667	0.000997278	-0.00019745	-0.000398988
+6484.7285	6473.4890000000005	9830.212	0.0263099209	-0.0673065879	0.0934882554	-0.0079328884	0.0338007737	-0.0114910839999999	-0.0424113470999999	0.0277364229	0.0453303087	-0.0702260949	0.0963618709	-0.0200867957	0.0665186088	0.0665174038	0.0665153954	0.0665125838	0.0665089688	0.0665045505999999	0.0	-0.00996895	-0.0313444	-3.00931e-06	0.00132687	-0.000384193	-0.00016819
+6441.5337	6485.7256	9821.212	-0.0404820317	0.034150583	0.1366118421	0.0745358691	-0.0054829985999999	-0.0217322686	0.0462141151999999	0.005774624	-0.0439093598	-0.075619539	0.1754689153999999	-0.0345256763	0.0665153954	0.0665045505999999	0.0664864771999999	0.0664611772	0.0664286533	0.0663889091	0.0	-2.56954e-05	-0.00923735	0.0549667	0.000997278	-0.00019745	-0.000398988