test: Legend placing for topics

app.py

@@ -106,7 +106,7 @@ def draw_interactive_scatter_plot(
     p = figure(plot_width=800, plot_height=800, tools=[hover], title='2D visualization of tweets', background_fill_color="#fafafa")
     colors = factor_cmap("label", palette=[Pallete[n_colors][int(id_) + 1] for id_ in values_set], factors=values_set)
     
-    legend = Legend(location = 'bottom_right', title='Topics ID', click_policy='mute', background_fill_alpha=0.2)
+    legend = Legend(source=source, legend_group='original_label', title='Topics ID', click_policy='mute', background_fill_alpha=0.2)
     # p.legend.location = "right"
     # p.legend.title = "Topics ID"
     # p.legend.click_policy = "mute"