chore: fix test

This action is managed in the header panel, thus it's not a button.
We may make all header actions proper buttons, but maybe in another
PR ?

umap/tests/integration/test_anonymous_owned_map.py

@@ -132,7 +132,7 @@ def test_can_change_perms_after_create(tilelayer, live_server, page):
     page.goto(f"{live_server.url}/en/map/new")
     # Create a layer
     page.get_by_title("See layers").click()
-    page.get_by_role("button", name="Add a layer").click()
+    page.get_by_title("Add a layer").click()
     page.locator("input[name=name]").fill("Layer 1")
     save = page.get_by_role("button", name="Save")
     expect(save).to_be_visible()

umap/tests/integration/test_edit_datalayer.py

@@ -17,7 +17,7 @@ def test_should_have_fieldset_for_layer_type_properties(page, live_server, tilel
     button.click()
 
     # Create a layer
-    page.get_by_role("button", name="Add a layer").click()
+    page.get_by_title("Add a layer").click()
     page.locator("input[name=name]").fill("Layer 1")
 
     select = page.locator("#umap-panel .umap-field-type select")

umap/tests/integration/test_owned_map.py

@@ -187,7 +187,7 @@ def test_can_change_perms_after_create(tilelayer, live_server, login, user):
     page.goto(f"{live_server.url}/en/map/new")
     # Create a layer
     page.get_by_title("See layers").click()
-    page.get_by_role("button", name="Add a layer").click()
+    page.get_by_title("Add a layer").click()
     page.locator("input[name=name]").fill("Layer 1")
     save = page.get_by_role("button", name="Save")
     expect(save).to_be_visible()