Index: applications/editors/josm/plugins/http2/test/unit/org/openstreetmap/josm/plugins/http2/Http2ClientTest.java
===================================================================
--- applications/editors/josm/plugins/http2/test/unit/org/openstreetmap/josm/plugins/http2/Http2ClientTest.java	(revision 35790)
+++ applications/editors/josm/plugins/http2/test/unit/org/openstreetmap/josm/plugins/http2/Http2ClientTest.java	(revision 36064)
@@ -2,5 +2,6 @@
 package org.openstreetmap.josm.plugins.http2;
 
-import static org.junit.Assert.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 import static org.junit.jupiter.api.Assertions.assertTrue;
@@ -63,10 +64,10 @@
 
     @Test
-    void testCreateRequest_invalidURI() throws Exception {
+    void testCreateRequestInvalidURI() {
         // From https://josm.openstreetmap.de/ticket/21126
         // URISyntaxException for URL not formatted strictly according to RFC2396
         // See chapter "2.4.3. Excluded US-ASCII Characters"
-        assertTrue(assertThrows(IOException.class, () -> new Http2Client(
-                new URL("https://commons.wikimedia.org/w/api.php?format=xml&action=query&list=geosearch&gsnamespace=6&gslimit=500&gsprop=type|name&gsbbox=52.2804692|38.1772755|52.269721|38.2045051"), "GET")
+        final URL url = assertDoesNotThrow(() -> new URL("https://commons.wikimedia.org/w/api.php?format=xml&action=query&list=geosearch&gsnamespace=6&gslimit=500&gsprop=type|name&gsbbox=52.2804692|38.1772755|52.269721|38.2045051"));
+        assertTrue(assertThrows(IOException.class, () -> new Http2Client(url, "GET")
                 .createRequest()).getCause().getMessage().startsWith("Illegal character in query at index 116:"));
     }