diff --git a/tests/turbo/test_ntrfc_cascade_geometry.py b/tests/turbo/test_ntrfc_cascade_geometry.py
index 709d8739f8b79f464f5dbe951829531fdc81e6d7..9485a316151069833f3d31386d63347c8dec65a5 100644
--- a/tests/turbo/test_ntrfc_cascade_geometry.py
+++ b/tests/turbo/test_ntrfc_cascade_geometry.py
@@ -5,7 +5,6 @@ def test_calcmidpassagestreamline():
 
     import numpy as np
     import pyvista as pv
-    pv.OFF_SCREEN=True
 
     naca_code = "6009"
     angle = 10  # deg
@@ -16,6 +15,6 @@ def test_calcmidpassagestreamline():
     sorted_poly.rotate_z(angle)
 
     poly, ps_poly, ss_poly, ind_hk, ind_vk, mids_poly, beta_leading, beta_trailing, camber_angle = extract_geo_paras(
-        sorted_poly, alpha,verbose=True)
+        sorted_poly, alpha)
 
     calcmidpassagestreamline(mids_poly.points[::, 0], mids_poly.points[::, 1], beta_leading, beta_trailing, -1, 2, 1)
diff --git a/tests/turbo/test_ntrfc_domaingen_cascade.py b/tests/turbo/test_ntrfc_domaingen_cascade.py
index 0c1dd881a26002d026cf973ec65bd6e51d945d2c..2c9db910d01b68f7b85a19e9232152e4ed56f220 100644
--- a/tests/turbo/test_ntrfc_domaingen_cascade.py
+++ b/tests/turbo/test_ntrfc_domaingen_cascade.py
@@ -1,7 +1,8 @@
 import numpy as np
 import pyvista as pv
- 
-pv.OFF_SCREEN = True
+
+from ntrfc.turbo.domaingen_cascade import cascade_2d_domain
+
 
 def test_cascade_3d_domain():
     from ntrfc.turbo.airfoil_generators.naca_airfoil_creator import naca
@@ -16,7 +17,7 @@ def test_cascade_3d_domain():
 
     sortedPoly, psPoly, ssPoly, per_y_upper, per_y_lower, inletPoly, outletPoly = cascade_2d_domain(sorted_poly, -1, 2, 1,
                                                                                                     "m", 0.1, 1,
-                                                                                                    verbose=True)
+                                                                                                    verbose=False)
 
     cascade_3d_domain(sortedPoly, psPoly, ssPoly, per_y_upper, per_y_lower, inletPoly, outletPoly, zspan=0.2, avdr=1,
                       verbose=False)
@@ -24,7 +25,6 @@ def test_cascade_3d_domain():
 
 def test_cascade_2d_domain():
     from ntrfc.turbo.airfoil_generators.naca_airfoil_creator import naca
-    from ntrfc.turbo.domaingen_cascade import cascade_2d_domain
 
     naca_code = "6509"
     angle = 30  # deg
@@ -36,4 +36,4 @@ def test_cascade_2d_domain():
     points = np.stack((X[:], Y[:], np.zeros(len(X)))).T
     pointspoly = pv.PolyData(points)
     sortedPoly, psPoly, ssPoly, per_y_upper, per_y_lower, inletPoly, outletPoly = cascade_2d_domain(pointspoly, -1, 2, 1,
-                                                                                                    "m", 0.1, 1, True)
+                                                                                                    "m", 0.1, 1, False)
diff --git a/tests/turbo/test_ntrfc_pointcloud_methods.py b/tests/turbo/test_ntrfc_pointcloud_methods.py
index 757d153d28c1245caaa1139f429683e73d40131f..2832bdc68535e219ee8e7fb2963d3ef07672c8fb 100644
--- a/tests/turbo/test_ntrfc_pointcloud_methods.py
+++ b/tests/turbo/test_ntrfc_pointcloud_methods.py
@@ -4,8 +4,6 @@ def test_extractSidePolys():
     import numpy as np
     import pyvista as pv
 
-    pv.OFF_SCREEN=True
-
     d1, d2, d3, d4 = np.random.randint(0, 9), np.random.randint(0, 9), np.random.randint(0, 9), np.random.randint(0, 9)
     digit_string = str(d1) + str(d2) + str(d3) + str(d4)
 
@@ -17,7 +15,7 @@ def test_extractSidePolys():
 
     poly = pv.PolyData(points)
     poly["A"] = np.ones(poly.number_of_points)
-    ssPoly, psPoly = extractSidePolys(ind_hk, ind_vk, poly,verbose=True)
+    ssPoly, psPoly = extractSidePolys(ind_hk, ind_vk, poly)
     # the assertion is consistent with all tests but it is confusing
     # we generate profiles with a naca-generator. probably there is a minor bug in the algorithm
     # ssPoly needs to have one point more then psPoly
diff --git a/tests/turbo/test_ntrfc_probegeneration.py b/tests/turbo/test_ntrfc_probegeneration.py
index c8401ce19468a57cffb148f7359339351269f5ff..6c9a988218de13c63085898a887ff0da22eabe22 100644
--- a/tests/turbo/test_ntrfc_probegeneration.py
+++ b/tests/turbo/test_ntrfc_probegeneration.py
@@ -1,14 +1,11 @@
 import numpy as np
 import pyvista as pv
 
-pv.OFF_SCREEN = True
-
 
 def test_createprofileprobes():
     from ntrfc.turbo.probegeneration import create_profileprobes
     from ntrfc.turbo.airfoil_generators.naca_airfoil_creator import naca
     from ntrfc.turbo.pointcloud_methods import extract_geo_paras
-
     naca_code = "6009"
     angle = 10  # deg
     res = 240
@@ -16,7 +13,7 @@ def test_createprofileprobes():
     sorted_poly = pv.PolyData(np.stack([xs, ys, np.zeros(len(xs))]).T)
     sorted_poly.rotate_z(angle)
     sorted_extracted_poly, psPoly, ssPoly, ind_vk, ind_hk, midsPoly, beta_leading, beta_trailing, camber_angle = extract_geo_paras(
-        sorted_poly, 1,verbose=True)
+        sorted_poly, 1)
     n_psprobes = 24
     n_ssprobes = 36
     probes_ss, probes_ps = create_profileprobes(ssPoly, psPoly, 1, n_ssprobes, n_psprobes, tolerance=1e-6)
@@ -35,7 +32,7 @@ def test_create_midpassageprobes():
     sorted_poly = pv.PolyData(np.stack([xs, ys, np.zeros(len(xs))]).T)
     sorted_poly.rotate_z(angle,inplace=True)
     sorted_extracted_poly, psPoly, ssPoly, ind_vk, ind_hk, midsPoly, beta_leading, beta_trailing, camber_angle = extract_geo_paras(
-        sorted_poly, 1,verbose=True)
+        sorted_poly, 1)
     nop = 40
     midspan_probes = create_midpassageprobes(1, -0.3, 0.3, 0.1, beta_leading, beta_trailing, midsPoly, nop)
     assert midspan_probes.number_of_points == nop, "number of probes on midpassage line not correct"