diff --git a/hyperspy/tests/drawing/plot_signal1d/test_plot_non_uniform_nav.png b/hyperspy/tests/drawing/plot_signal1d/test_plot_non_uniform_nav.png
index 2ed16dbc12..6270f956a2 100644
Binary files a/hyperspy/tests/drawing/plot_signal1d/test_plot_non_uniform_nav.png and b/hyperspy/tests/drawing/plot_signal1d/test_plot_non_uniform_nav.png differ
diff --git a/hyperspy/tests/drawing/plot_signal1d/test_plot_uniform_nav.png b/hyperspy/tests/drawing/plot_signal1d/test_plot_uniform_nav.png
new file mode 100644
index 0000000000..d0ad89ec11
Binary files /dev/null and b/hyperspy/tests/drawing/plot_signal1d/test_plot_uniform_nav.png differ
diff --git a/hyperspy/tests/drawing/plot_signal2d/test_plot_non_uniform_2s1n_sig.png b/hyperspy/tests/drawing/plot_signal2d/test_plot_non_uniform_2s1n_sig.png
new file mode 100644
index 0000000000..9e754877a5
Binary files /dev/null and b/hyperspy/tests/drawing/plot_signal2d/test_plot_non_uniform_2s1n_sig.png differ
diff --git a/hyperspy/tests/drawing/test_plot_signal1d.py b/hyperspy/tests/drawing/test_plot_signal1d.py
index 1af398cc5d..c23edf2a96 100644
--- a/hyperspy/tests/drawing/test_plot_signal1d.py
+++ b/hyperspy/tests/drawing/test_plot_signal1d.py
@@ -229,6 +229,12 @@ def test_plot_non_uniform_sig(self):
         self.s.plot()
         return self.s._plot.signal_plot.figure
 
+    @pytest.mark.mpl_image_compare(baseline_dir=baseline_dir,
+                                   tolerance=default_tol, style=style_pytest_mpl)
+    def test_plot_uniform_nav(self):
+        self.s.plot()
+        return self.s._plot.navigator_plot.figure
+
     @pytest.mark.mpl_image_compare(baseline_dir=baseline_dir,
                                    tolerance=default_tol, style=style_pytest_mpl)
     def test_plot_non_uniform_nav(self):
diff --git a/hyperspy/tests/drawing/test_plot_signal2d.py b/hyperspy/tests/drawing/test_plot_signal2d.py
index 0560a7b24b..8c3ec77ab3 100644
--- a/hyperspy/tests/drawing/test_plot_signal2d.py
+++ b/hyperspy/tests/drawing/test_plot_signal2d.py
@@ -258,6 +258,12 @@ def test_plot_non_uniform_nav(self):
         self.s.plot()
         return self.s._plot.navigator_plot.figure
 
+    @pytest.mark.mpl_image_compare(baseline_dir=baseline_dir,
+                                   tolerance=default_tol, style=style_pytest_mpl)
+    def test_plot_non_uniform_2s1n_sig(self):
+        self.s.plot()
+        return self.s._plot.signal_plot.figure
+
     @pytest.mark.mpl_image_compare(baseline_dir=baseline_dir,
                                    tolerance=default_tol, style=style_pytest_mpl)
     def test_plot_non_uniform_sig(self):