Preserve original resource order

Author: marcphilipp

junit-platform-launcher/src/main/java/org/junit/platform/launcher/core/LauncherConfigurationParameters.java

@@ -14,7 +14,7 @@
 import java.net.URL;
 import java.net.URLConnection;
 import java.util.Collections;
-import java.util.HashSet;
+import java.util.LinkedHashSet;
 import java.util.Map;
 import java.util.Optional;
 import java.util.Properties;
@@ -53,7 +53,7 @@ private static Properties fromClasspathResource(String configFileName) {
 
 		try {
 			ClassLoader classLoader = ClassLoaderUtils.getDefaultClassLoader();
-			Set<URL> resources = new HashSet<>(Collections.list(classLoader.getResources(configFileName)));
+			Set<URL> resources = new LinkedHashSet<>(Collections.list(classLoader.getResources(configFileName)));
 
 			if (!resources.isEmpty()) {
 				if (resources.size() > 1) {