[Presentation API] Re-enable timeout after user interaction (#4319)

This commit re-enables the test harness' timeout in `PresentationConnection_onxxx` tests once user interaction is over.

* Update timeout and use `force_timeout`. Also increase timeout to 5 sec

presentation-api/controlling-ua/PresentationConnection_onclosed-manual.html

@@ -26,6 +26,13 @@ <h2>Description</h2>
       var request = new PresentationRequest(presentationUrls);
       request.start()
         .then(function(connection) {
+
+          // Enable timeout again, cause no user action is needed from here.
+          t.step_timeout(function() {
+              t.force_timeout();
+              t.done();
+          }, 5000);
+
           assert_true(connection instanceof PresentationConnection, 'the connection is setup');
           connection.onclose = t.step_func_done(function(evt) {
             assert_equals(evt.type, "close");

presentation-api/controlling-ua/PresentationConnection_onconnected-manual.html

@@ -25,6 +25,13 @@ <h2>Description</h2>
       var request = new PresentationRequest(presentationUrls);
       request.start()
         .then(function(connection) {
+
+          // Enable timeout again, cause no user action is needed from here.
+          t.step_timeout(function() {
+              t.force_timeout();
+              t.done();
+          }, 5000);
+
           assert_true(connection instanceof PresentationConnection);
           connection.onconnect = t.step_func_done(function() {
             assert_equals(connection.state, "connected");

presentation-api/controlling-ua/PresentationConnection_onterminated-manual.html

@@ -26,6 +26,13 @@ <h2>Description</h2>
       var request = new PresentationRequest(presentationUrls);
       request.start()
         .then(function(connection) {
+
+          // Enable timeout again, cause no user action is needed from here.
+          t.step_timeout(function() {
+              t.force_timeout();
+              t.done();
+          }, 5000);
+
           assert_true(connection instanceof PresentationConnection);
           connection.onconnect = t.step_func(function(evt) {
             assert_equals(connection.state, "connected");