Index: /trunk/test/unit/org/openstreetmap/josm/data/imagery/vectortile/mapbox/style/MapboxVectorStyleTest.java
===================================================================
--- /trunk/test/unit/org/openstreetmap/josm/data/imagery/vectortile/mapbox/style/MapboxVectorStyleTest.java	(revision 17960)
+++ /trunk/test/unit/org/openstreetmap/josm/data/imagery/vectortile/mapbox/style/MapboxVectorStyleTest.java	(revision 17961)
@@ -9,5 +9,4 @@
 import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.junit.jupiter.api.Assertions.fail;
-
 
 import java.awt.Color;
@@ -19,5 +18,4 @@
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
-import java.nio.file.Paths;
 import java.text.MessageFormat;
 import java.util.ArrayList;
@@ -37,4 +35,9 @@
 import javax.json.JsonValue;
 
+import org.awaitility.Awaitility;
+import org.awaitility.Durations;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.RegisterExtension;
+import org.junit.jupiter.api.io.TempDir;
 import org.openstreetmap.josm.TestUtils;
 import org.openstreetmap.josm.gui.MainApplication;
@@ -50,9 +53,4 @@
 
 import nl.jqno.equalsverifier.EqualsVerifier;
-import org.awaitility.Awaitility;
-import org.awaitility.Durations;
-import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.RegisterExtension;
-import org.junit.jupiter.api.io.TempDir;
 
 /**
@@ -162,8 +160,8 @@
         ImageProvider.clearCache();
         int hiDpiScalar = hiDpi ? 2 : 1;
-        String spritePath = this.spritesDirectory + "/sprite";
+        String spritePath = this.spritesDirectory.toURI() + "sprite";
         MapboxVectorStyle style = new MapboxVectorStyle(getJson(JsonObject.class,
-          MessageFormat.format(BASE_STYLE, "sprite_test", "\"sprite\":\"file:/" + spritePath + "\"")));
-        assertEquals("file:/" + spritePath, style.getSpriteUrl());
+          MessageFormat.format(BASE_STYLE, "sprite_test", "\"sprite\":\"" + spritePath + "\"")));
+        assertEquals(spritePath, style.getSpriteUrl());
 
         AtomicBoolean saveFinished = new AtomicBoolean();