org.openqa.selenium.WebDriverException: unknown error: Element is not clickable at point (892, 508). Other element would receive the click: <div id="modal-overlay" class="simplemodal-overlay" style="opacity: 0.8; height: 943px; width: 1050px; position: fixed; left: 0px; top: 0px; z-index: 1001;"></div>
  (Session info: chrome=43.0.2357.130)
  (Driver info: chromedriver=2.14.313457 (3d645c400edf2e2c500566c9aa096063e707c9cf),platform=Linux 3.13.0-45-generic x86_64) (WARNING: The server did not provide any stacktrace information)
Command duration or timeout: 56 milliseconds
Build info: version: '2.37.0', revision: 'a7c61cbd68657e133ae96672cf995890bad2ee42', time: '2013-10-18 09:51:02'
System info: host: 'gw107', ip: '149.165.228.105', os.name: 'Linux', os.arch: 'amd64', os.version: '3.13.0-45-generic', java.version: '1.7.0_79'
Session ID: 6c4d69eadb5e58a6d792a7d90df5d7a1
Driver info: org.openqa.selenium.chrome.ChromeDriver
(13 more lines...)

org.openqa.selenium.remote.UnreachableBrowserException: Could not start a new session. Possible causes are invalid address of the remote server or browser start-up failure.
Build info: version: '2.37.0', revision: 'a7c61cbd68657e133ae96672cf995890bad2ee42', time: '2013-10-18 09:51:02'
System info: host: 'gw107', ip: '149.165.228.105', os.name: 'Linux', os.arch: 'amd64', os.version: '3.13.0-45-generic', java.version: '1.7.0_79'
Driver info: driver.version: ChromeDriver
	at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:548)
	at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:216)
	at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:111)
	at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:115)
(100 more lines...)

java.lang.AssertionError: 
Expected: is <5>
     but: was <4>
	at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:20)
	at org.junit.Assert.assertThat(Assert.java:865)
	at org.junit.Assert.assertThat(Assert.java:832)
	at org.openmrs.reference.LoginTest.verifyClerkModulesAvailableOnHomePage(LoginTest.java:53)

java.lang.AssertionError: 
Expected: is <10>
     but: was <9>
	at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:20)
	at org.junit.Assert.assertThat(Assert.java:865)
	at org.junit.Assert.assertThat(Assert.java:832)
	at org.openmrs.reference.LoginTest.verifyModulesAvailableOnHomePage(LoginTest.java:43)

java.lang.AssertionError: 
Expected: is <3>
     but: was <2>
	at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:20)
	at org.junit.Assert.assertThat(Assert.java:865)
	at org.junit.Assert.assertThat(Assert.java:832)
	at org.openmrs.reference.LoginTest.verifySysadminModulesAvailableOnHomePage(LoginTest.java:84)

java.lang.AssertionError: 
Expected: is <5>
     but: was <4>
	at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:20)
	at org.junit.Assert.assertThat(Assert.java:865)
	at org.junit.Assert.assertThat(Assert.java:832)
	at org.openmrs.reference.LoginTest.verifyNurseModulesAvailableOnHomePage(LoginTest.java:74)

java.lang.AssertionError: 
Expected: is <4>
     but: was <3>
	at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:20)
	at org.junit.Assert.assertThat(Assert.java:865)
	at org.junit.Assert.assertThat(Assert.java:832)
	at org.openmrs.reference.LoginTest.verifyDoctorModulesAvailableOnHomePage(LoginTest.java:63)

java.lang.AssertionError: null
	at org.junit.Assert.fail(Assert.java:86)
	at org.junit.Assert.assertTrue(Assert.java:41)
	at org.junit.Assert.assertTrue(Assert.java:52)
	at org.openmrs.reference.RelationTypeTest.addEditRetireDeleteRelationTypeTest(RelationTypeTest.java:72)