Index: trunk/test/unit/org/openstreetmap/josm/actions/upload/ValidateUploadHookTest.java
===================================================================
--- trunk/test/unit/org/openstreetmap/josm/actions/upload/ValidateUploadHookTest.java	(revision 18766)
+++ trunk/test/unit/org/openstreetmap/josm/actions/upload/ValidateUploadHookTest.java	(revision 18775)
@@ -2,12 +2,29 @@
 package org.openstreetmap.josm.actions.upload;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
-import org.junit.jupiter.api.extension.RegisterExtension;
-import org.junit.jupiter.api.Test;
-import org.openstreetmap.josm.data.APIDataSet;
-import org.openstreetmap.josm.testutils.JOSMTestRules;
+import java.util.Collections;
 
 import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
+import mockit.Mock;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.RegisterExtension;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.ValueSource;
+import org.openstreetmap.josm.TestUtils;
+import org.openstreetmap.josm.data.APIDataSet;
+import org.openstreetmap.josm.data.Bounds;
+import org.openstreetmap.josm.data.DataSource;
+import org.openstreetmap.josm.data.coor.LatLon;
+import org.openstreetmap.josm.data.osm.DataSet;
+import org.openstreetmap.josm.data.osm.Node;
+import org.openstreetmap.josm.data.osm.Way;
+import org.openstreetmap.josm.data.preferences.sources.ValidatorPrefHelper;
+import org.openstreetmap.josm.gui.ExtendedDialog;
+import org.openstreetmap.josm.gui.MainApplication;
+import org.openstreetmap.josm.gui.layer.OsmDataLayer;
+import org.openstreetmap.josm.testutils.JOSMTestRules;
+import org.openstreetmap.josm.testutils.mockers.ExtendedDialogMocker;
 
 /**
@@ -21,5 +38,5 @@
     @RegisterExtension
     @SuppressFBWarnings(value = "URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD")
-    public JOSMTestRules test = new JOSMTestRules().fakeAPI().timeout(30000);
+    public JOSMTestRules test = new JOSMTestRules().main().projection().fakeAPI().timeout(30000);
 
     /**
@@ -30,3 +47,32 @@
         assertTrue(new ValidateUploadHook().checkUpload(new APIDataSet()));
     }
+
+    @ParameterizedTest
+    @ValueSource(booleans = {true, false})
+    void testUploadOtherErrors(boolean otherEnabled) {
+        ValidatorPrefHelper.PREF_OTHER_UPLOAD.put(otherEnabled);
+        final DataSet ds = new DataSet();
+        final Way building = TestUtils.newWay("building=yes", new Node(new LatLon(33.2287665, -111.8259225)),
+                new Node(new LatLon(33.2287335, -111.8257513)), new Node(new LatLon(33.2285316, -111.8258086)),
+                new Node(new LatLon(33.2285696, -111.8259781)));
+        ds.addPrimitiveRecursive(building);
+        building.addNode(building.firstNode());
+        ds.addDataSource(new DataSource(new Bounds(33, -112, 34, -111), ""));
+        MainApplication.getLayerManager().addLayer(new OsmDataLayer(ds,
+                "ValidateUploadHookTest#testUploadOtherErrors", null));
+        final ExtendedDialogMocker mocker =
+                new ExtendedDialogMocker(Collections.singletonMap("Suspicious data found. Upload anyway?", "Cancel")) {
+                    @Override
+                    protected String getString(ExtendedDialog instance) {
+                        return instance.getTitle();
+                    }
+
+                    @Mock
+                    public void dispose() {
+                        // Do nothing
+                    }
+                };
+        new ValidateUploadHook().checkUpload(new APIDataSet(ds));
+        assertEquals(!otherEnabled, mocker.getInvocationLog().isEmpty());
+    }
 }