Added a test, enabled other tests

src/node/test/server_test.js

@@ -111,7 +111,7 @@ describe('server', function() {
     it('tryShutdown should shutdown successfully', function(done) {
       server.tryShutdown(done);
     });
-    it.only('forceShutdown should shutdown successfully', function() {
+    it('forceShutdown should shutdown successfully', function() {
       server.forceShutdown();
     });
     it('tryShutdown should be idempotent', function(done) {
@@ -122,5 +122,9 @@ describe('server', function() {
       server.forceShutdown();
       server.forceShutdown();
     });
+    it('forceShutdown should trigger tryShutdown', function(done) {
+      server.tryShutdown(done);
+      server.forceShutdown();
+    });
   });
 });