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 17959)
+++ /trunk/test/unit/org/openstreetmap/josm/data/imagery/vectortile/mapbox/style/MapboxVectorStyleTest.java	(revision 17960)
@@ -162,5 +162,5 @@
         ImageProvider.clearCache();
         int hiDpiScalar = hiDpi ? 2 : 1;
-        String spritePath = new File(this.spritesDirectory, "sprite").getPath();
+        String spritePath = this.spritesDirectory + "/sprite";
         MapboxVectorStyle style = new MapboxVectorStyle(getJson(JsonObject.class,
           MessageFormat.format(BASE_STYLE, "sprite_test", "\"sprite\":\"file:/" + spritePath + "\"")));
@@ -238,5 +238,5 @@
     @Test
     void testMapillaryStyle() {
-        final String file = Paths.get("file:", TestUtils.getTestDataRoot(), "mapillary.json").toString();
+        final String file = "file:/" + TestUtils.getTestDataRoot() + "/mapillary.json";
         final MapboxVectorStyle style = MapboxVectorStyle.getMapboxVectorStyle(file);
         assertNotNull(style);