Error Log

org.openqa.selenium.TimeoutException: Timed out after 60 seconds waiting for visibility of element located by By.cssSelector: #patient-search-results-table tr:first-child td:nth-child(2)
Build info: version: '2.52.0', revision: '4c2593cfc3689a7fcd7be52549167e5ccc93ad28', time: '2016-02-11 11:22:43'
System info: host: 'gw108', ip: '149.165.228.106', os.name: 'Linux', os.arch: 'amd64', os.version: '3.13.0-91-generic', java.version: '1.8.0_91'
Driver info: org.openqa.selenium.remote.RemoteWebDriver
Capabilities [{applicationCacheEnabled=true, rotatable=false, hasMetadata=true, databaseEnabled=true, handlesAlerts=true, version=42.0, platform=LINUX, nativeEvents=false, acceptSslCerts=true, webdriver.remote.sessionid=8bd69950bfd64a9ea6866bf8ab3b263e, locationContextEnabled=true, webStorageEnabled=true, takesScreenshot=true, browserName=firefox, javascriptEnabled=true, cssSelectorsEnabled=true}]
Session ID: 8bd69950bfd64a9ea6866bf8ab3b263e
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at org.openqa.selenium.remote.ErrorHandler.createThrowable(ErrorHandler.java:206)
	at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(ErrorHandler.java:158)
	at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:678)
	at org.openqa.selenium.remote.RemoteWebDriver.findElement(RemoteWebDriver.java:363)
	at org.openqa.selenium.remote.RemoteWebDriver.findElementByCssSelector(RemoteWebDriver.java:492)
	at org.openqa.selenium.By$ByCssSelector.findElement(By.java:430)
	at org.openqa.selenium.remote.RemoteWebDriver.findElement(RemoteWebDriver.java:355)
	at org.openqa.selenium.support.ui.ExpectedConditions.findElement(ExpectedConditions.java:911)
	at org.openqa.selenium.support.ui.ExpectedConditions.access$000(ExpectedConditions.java:41)
	at org.openqa.selenium.support.ui.ExpectedConditions$7.apply(ExpectedConditions.java:205)
	at org.openqa.selenium.support.ui.ExpectedConditions$7.apply(ExpectedConditions.java:201)
	at org.openqa.selenium.support.ui.FluentWait.until(FluentWait.java:238)
	at org.openmrs.uitestframework.page.Page.findElement(Page.java:136)
	at org.openmrs.uitestframework.page.Page.clickOn(Page.java:176)
	at org.openmrs.reference.page.FindPatientPage.clickOnFirstPatient(FindPatientPage.java:31)
	at org.openmrs.reference.AddPastVisitTest.addPastVisitTest(AddPastVisitTest.java:40)
Caused by: org.openqa.selenium.NoSuchElementException: Unable to locate element: {"method":"css selector","selector":"#patient-search-results-table tr:first-child td:nth-child(2)"}
For documentation on this error, please visit: http://seleniumhq.org/exceptions/no_such_element.html
Build info: version: '2.53.1', revision: 'a36b8b1', time: '2016-06-30 17:37:03'
System info: host: 'chef', ip: '127.0.1.1', os.name: 'Linux', os.arch: 'i386', os.version: '3.13.0-83-generic', java.version: '1.8.0_74'
Driver info: driver.version: unknown
For documentation on this error, please visit: http://seleniumhq.org/exceptions/no_such_element.html
Build info: version: '2.52.0', revision: '4c2593cfc3689a7fcd7be52549167e5ccc93ad28', time: '2016-02-11 11:22:43'
System info: host: 'gw108', ip: '149.165.228.106', os.name: 'Linux', os.arch: 'amd64', os.version: '3.13.0-91-generic', java.version: '1.8.0_91'
Driver info: driver.version: unknown
	at <anonymous class>.FirefoxDriver.prototype.findElementInternal_(file:///tmp/anonymous71044876491625455webdriver-profile/extensions/fxdriver@googlecode.com/components/driver-component.js:10770)
	at <anonymous class>.fxdriver.Timer.prototype.setTimeout/<.notify(file:///tmp/anonymous71044876491625455webdriver-profile/extensions/fxdriver@googlecode.com/components/driver-component.js:625)