diff --git a/tests/unit/test_visualization.py b/tests/unit/test_visualization.py
index 17ba8c08..bee928db 100644
--- a/tests/unit/test_visualization.py
+++ b/tests/unit/test_visualization.py
@@ -737,7 +737,11 @@ def test__generate_scatter_plot(px_mock):
         color_discrete_map={'Real': '#000036', 'Synthetic': '#01E0C9'},
         symbol='Data',
     )
-    mock_figure.update_layout.assert_called_once()
+    mock_figure.update_layout.assert_called_once_with(
+        title="Real vs. Synthetic Data for columns 'col1' and 'col2'",
+        plot_bgcolor='#F5F5F8',
+        font={'size': 18},
+    )
     assert fig == mock_figure
 
 
@@ -787,7 +791,11 @@ def test__generate_heatmap_plot(px_mock):
         facet_col='Data',
         histnorm='probability',
     )
-    mock_figure.update_layout.assert_called_once()
+    mock_figure.update_layout.assert_called_once_with(
+        title_text="Real vs. Synthetic Data for columns 'col1' and 'col2'",
+        coloraxis={'colorscale': ['#000036', '#01E0C9']},
+        font={'size': 18},
+    )
     mock_figure.for_each_annotation.assert_called_once()
     assert fig == mock_figure
 
@@ -909,10 +917,37 @@ def test__generate_box_plot(px_mock):
         color='Data',
         color_discrete_map={'Real': '#000036', 'Synthetic': '#01E0C9'},
     )
-    mock_figure.update_layout.assert_called_once()
+    mock_figure.update_layout.assert_called_once_with(
+        title="Real vs. Synthetic Data for columns 'col1' and 'col2'",
+        plot_bgcolor='#F5F5F8',
+        font={'size': 18},
+    )
     assert fig == mock_figure
 
 
+@patch('sdmetrics.visualization.px')
+def test__generate_box_plot_title_one_dataset_only(px_mock):
+    """Test the ``_generate_box_plot`` title when only one dataset is passed."""
+    # Setup
+    real_data = pd.DataFrame({
+        'col1': [1, 2, 3, 4],
+        'col2': ['a', 'b', 'c', 'd'],
+        'Data': ['Real'] * 4,
+    })
+    columns = ['col1', 'col2']
+    mock_figure = Mock()
+    px_mock.box.side_effect = [mock_figure, mock_figure]
+
+    # Run
+    fig_real = _generate_box_plot(real_data, columns)
+
+    # Assert
+    mock_figure.update_layout.assert_called_once_with(
+        title="Real Data for columns 'col1' and 'col2'", plot_bgcolor='#F5F5F8', font={'size': 18}
+    )
+    assert fig_real == mock_figure
+
+
 def test_get_column_pair_plot_invalid_column_names():
     """Test ``get_column_pair_plot`` method with invalid ``column_names``."""
     # Setup
@@ -1013,8 +1048,7 @@ def test_get_column_pair_plot_plot_single_data(mock__generate_scatter_plot):
     assert synth_fig == 'mock_return_2'
 
 
-@patch('sdmetrics.visualization._generate_scatter_plot')
-def test_get_column_pair_plot_plot_no_data(mock__generate_scatter_plot):
+def test_get_column_pair_plot_plot_no_data():
     """Test ``get_column_pair_plot`` with neither real or synthetic data"""
     # Setup
     columns = ['amount', 'price']