wait for the notification to disappear (#2166)

The notification will only appear if the build is not parameterized,
otherwise we navigate to a different page to enter the parameters and on
sumbission that redirect back to the job page.

Author: jtnord

src/main/java/org/jenkinsci/test/acceptance/po/Job.java

@@ -34,6 +34,7 @@
 import org.jenkinsci.test.acceptance.controller.LocalController;
 import org.jenkinsci.test.acceptance.junit.Resource;
 import org.junit.AssumptionViolatedException;
+import org.openqa.selenium.By;
 import org.openqa.selenium.WebDriver;
 import org.openqa.selenium.WebElement;
 import org.zeroturnaround.zip.ZipUtil;
@@ -339,6 +340,9 @@ public Build scheduleBuild(Map<String, ?> params) {
         int nb = getJson().get("nextBuildNumber").intValue();
         if (parameters.isEmpty()) {
             clickLink("Build Now");
+            // the notification bar can place itslef over other elements
+            // so wait for it to be added and then disappear
+            waitFor(waitFor(By.id("notification-bar"))).until(bar -> !bar.isDisplayed());
         } else {
             clickLink("Build with Parameters");
             try {
@@ -348,7 +352,6 @@ public Build scheduleBuild(Map<String, ?> params) {
                 throw new Error(e);
             }
         }
-
         return build(nb);
     }