Test_org_eclipse_swt_browser_Browser.test_LocationListener_then_ProgressListener fails randomly

[fedejeanne]

Test_org_eclipse_swt_browser_Browser.test_LocationListener_then_ProgressListener fails randomly, e.g. in #2096

Stack-trace:

Error:  org.eclipse.swt.tests.junit.Test_org_eclipse_swt_browser_Browser.test_LocationListener_then_ProgressListener[browser flags: 0] -- Time elapsed: 17.07 s <<< FAILURE!
java.lang.AssertionError: 

Unexpected listener states. Expecting true for all, but have:
Location changed: false
ProgressChangedAfterLocationChanged: false
progressChanged: false
	at org.junit.Assert.fail(Assert.java:89)
	at org.junit.Assert.assertTrue(Assert.java:42)
	at org.eclipse.swt.tests.junit.Test_org_eclipse_swt_browser_Browser.test_LocationListener_then_ProgressListener(Test_org_eclipse_swt_browser_Browser.java:676)
...