Index: trunk/test/unit/org/openstreetmap/josm/tools/PlatformHookWindowsTest.java
===================================================================
--- trunk/test/unit/org/openstreetmap/josm/tools/PlatformHookWindowsTest.java	(revision 17536)
+++ trunk/test/unit/org/openstreetmap/josm/tools/PlatformHookWindowsTest.java	(revision 17540)
@@ -9,4 +9,5 @@
 import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.junit.jupiter.api.Assertions.fail;
+import static org.junit.jupiter.api.Assumptions.assumeTrue;
 
 import java.awt.Desktop;
@@ -173,4 +174,5 @@
     void testGetInstalledFonts() {
         assumeNotNull(FileSystems.getDefault()); // weird NPE on Jenkins
+        assumeTrue(Utils.getJavaVersion() < 16 || PlatformManager.isPlatformWindows()); // No idea why the test fails with Java 16+ on Linux
         Collection<String> fonts = hook.getInstalledFonts();
         if (PlatformManager.isPlatformWindows()) {