diff --git a/test/test_legend_onoff.py b/test/test_legend_onoff.py
index 169e17a3..b08436b0 100644
--- a/test/test_legend_onoff.py
+++ b/test/test_legend_onoff.py
@@ -94,6 +94,29 @@ def test_categorized_symbol(client):
     # same colors as the first request - the legend has been well reset
     assert len(colors) == default_color_numbers, f'{len(colors)} != {default_color_numbers}'
 
+    # REQUEST with new loaded project (no cache)
+    qs = dict(BASE_QUERY)
+    qs['LAYERS'] = 'categorized'
+    qs['LEGEND_ON'] = 'categorized:1'
+    qs['LEGEND_OFF'] = 'categorized:0,2,3,4'
+    rv = client.get(_build_query_string(qs), PROJECT)
+    assert rv.status_code == 200
+    assert rv.headers.get('Content-Type', '').find('image/png') == 0
+
+    img = Image.open(io.BytesIO(rv.content))
+    # save image for debugging
+    # img.save(client.datapath.join('legend_categorized_onoff.png').strpath)
+    assert img.format == 'PNG'
+    assert img.width == 550
+    assert img.height == 408
+    # remove transparency to reduce the number of colors
+    img = img.convert('RGB')
+    colors = img.getcolors(1024)
+    assert colors is not None
+    colors.sort(key=lambda color: color[0], reverse=True)
+    # less colors because 1 feature displayed
+    assert len(colors) < default_color_numbers, f'not {len(colors)} < {default_color_numbers}'
+
 
 def test_simple_rule_based(client):
     """ Test rule based layer, simple conversion from categorized. """
@@ -159,3 +182,26 @@ def test_simple_rule_based(client):
     colors.sort(key=lambda color: color[0], reverse=True)
     # same colors as the first request - the legend has been well reset
     assert len(colors) == default_color_numbers, f'{len(colors)} != {default_color_numbers}'
+
+    # REQUEST with new loaded project (no cache)
+    qs = dict(BASE_QUERY)
+    qs['LAYERS'] = 'rule_based'
+    qs['LEGEND_ON'] = 'rule_based:{49db22fd-3aed-495d-9140-4b82f50fdcfd}'
+    qs['LEGEND_OFF'] = 'rule_based:{1e75ef9b-1c18-46c1-b7f7-b16efc5bb791},{37b9b766-5309-4617-b0a4-1122168cbfd0},{bd0ace82-eee5-46c3-ad70-f8ecb7d50bb3},{77b34ffc-2198-4450-8e4d-270df282a81b}'
+    rv = client.get(_build_query_string(qs), PROJECT)
+    assert rv.status_code == 200
+    assert rv.headers.get('Content-Type', '').find('image/png') == 0
+
+    img = Image.open(io.BytesIO(rv.content))
+    # save image for debugging
+    # img.save(client.datapath.join('legend_rule_based_onoff.png').strpath)
+    assert img.format == 'PNG'
+    assert img.width == 550
+    assert img.height == 408
+    # remove transparency to reduce the number of colors
+    img = img.convert('RGB')
+    colors = img.getcolors(1024)
+    assert colors is not None
+    colors.sort(key=lambda color: color[0], reverse=True)
+    # less colors because 1 feature displayed
+    assert len(colors) < default_color_numbers, f'not {len(colors)} < {default_color_numbers}'