Restore tests

Author: cvanelteren

ultraplot/tests/test_legend.py

@@ -614,6 +614,9 @@ def test_ref_with_manual_axes_no_subplotspec():
     ax1 = fig.add_axes([0.1, 0.1, 0.4, 0.4])
     ax2 = fig.add_axes([0.5, 0.1, 0.4, 0.4])
     ax1.plot([0, 1], [0, 1], label="line")
+    # ref=[ax1, ax2]. loc='upper right' (inset).
+    leg = fig.legend(ref=[ax1, ax2], loc="upper right")
+    assert leg is not None
 
 
 def _decode_panel_span(panel_ax, axis):