diff --git a/_unittest/test_12_PostProcessing.py b/_unittest/test_12_PostProcessing.py
index 5f6e828181b..02080a3f663 100644
--- a/_unittest/test_12_PostProcessing.py
+++ b/_unittest/test_12_PostProcessing.py
@@ -637,6 +637,7 @@ def test_71_antenna_plot(self, field_test):
             title="Contour at {}Hz".format(ffdata.frequency),
             image_path=os.path.join(self.local_scratch.path, "contour.jpg"),
             convert_to_db=True,
+            show=False,
         )
         assert os.path.exists(os.path.join(self.local_scratch.path, "contour.jpg"))
 
@@ -659,7 +660,10 @@ def test_71_antenna_plot(self, field_test):
         assert os.path.exists(os.path.join(self.local_scratch.path, "2d2.jpg"))
 
         ffdata.polar_plot_3d(
-            quantity="RealizedGain", image_path=os.path.join(self.local_scratch.path, "3d1.jpg"), convert_to_db=True
+            quantity="RealizedGain",
+            image_path=os.path.join(self.local_scratch.path, "3d1.jpg"),
+            convert_to_db=True,
+            show=False,
         )
         assert os.path.exists(os.path.join(self.local_scratch.path, "3d1.jpg"))
 
@@ -686,6 +690,7 @@ def test_72_antenna_plot(self, array_test):
             title="Contour at {}Hz".format(ffdata.frequency),
             image_path=os.path.join(self.local_scratch.path, "contour.jpg"),
             convert_to_db=True,
+            show=False,
         )
         assert os.path.exists(os.path.join(self.local_scratch.path, "contour.jpg"))
 
@@ -725,6 +730,7 @@ def test_72_antenna_plot(self, array_test):
             title="Contour at {}Hz".format(ffdata1.frequency),
             image_path=os.path.join(self.local_scratch.path, "contour1.jpg"),
             convert_to_db=True,
+            show=False,
         )
         assert os.path.exists(os.path.join(self.local_scratch.path, "contour1.jpg"))
 
diff --git a/pyaedt/modules/solutions.py b/pyaedt/modules/solutions.py
index 09b0e81c8e4..bd800acdcef 100644
--- a/pyaedt/modules/solutions.py
+++ b/pyaedt/modules/solutions.py
@@ -1655,7 +1655,7 @@ def plot_farfield_contour(
 
         if image_path:
             plt.savefig(image_path)
-        if show:
+        if show:  # pragma: no cover
             plt.show()
 
         plt.rcParams["figure.figsize"] = default_figsize
@@ -1910,7 +1910,7 @@ def polar_plot_3d(
         x = r * np.sin(theta_grid) * np.cos(phi_grid)
         y = r * np.sin(theta_grid) * np.sin(phi_grid)
         z = r * np.cos(theta_grid)
-        if show:
+        if show:  # pragma: no cover
             plot_3d_chart([x, y, z], xlabel="Theta", ylabel="Phi", title=title, snapshot_path=image_path)
         else:
             return x, y, z