Fix unit test: add runtime=true key to url

dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/router/file/FileRouterFactory.java

@@ -50,7 +50,9 @@ public class FileRouterFactory implements RouterFactory {
                 }
             }
             String rule = IOUtils.read(new FileReader(new File(url.getAbsolutePath())));
-            URL script = url.setProtocol(protocol).addParameter(Constants.TYPE_KEY, type).addParameterAndEncoded(Constants.RULE_KEY, rule);
+
+            boolean runtime = url.getParameter(Constants.RUNTIME_KEY, false);
+            URL script = url.setProtocol(protocol).addParameter(Constants.TYPE_KEY, type).addParameter(Constants.RUNTIME_KEY, runtime).addParameterAndEncoded(Constants.RULE_KEY, rule);
 
             return routerFactory.getRouter(script);
         } catch (IOException e) {

dubbo-cluster/src/test/java/com/alibaba/dubbo/rpc/cluster/router/file/FileRouterEngineTest.java

@@ -15,6 +15,7 @@
  */
 package com.alibaba.dubbo.rpc.cluster.router.file;
 
+import com.alibaba.dubbo.common.Constants;
 import com.alibaba.dubbo.common.URL;
 import com.alibaba.dubbo.common.extension.ExtensionLoader;
 import com.alibaba.dubbo.rpc.Invocation;
@@ -132,6 +133,7 @@ public class FileRouterEngineTest {
     private URL initUrl(String filename) {
         filename = getClass().getClassLoader().getResource(getClass().getPackage().getName().replace('.', '/') + "/" + filename).toString();
         URL url = URL.valueOf(filename);
+        url = url.addParameter(Constants.RUNTIME_KEY, true);
         return url;
     }