fixing "unknown error: path is not canonical"

[oleg-andreyev]

Facebook\WebDriver\Exception\UnknownErrorException : unknown error: path is not canonical: /Users/oandreyev/Development/MinkFacebookWebDriver/vendor/mink/driver-testsuite/tests/Js/../../web-fixtures/file1.txt
  (Session info: chrome=79.0.3945.88)
 /Users/oandreyev/Development/MinkFacebookWebDriver/vendor/facebook/webdriver/lib/Exception/WebDriverException.php:152
 /Users/oandreyev/Development/MinkFacebookWebDriver/vendor/facebook/webdriver/lib/Remote/HttpCommandExecutor.php:390
 /Users/oandreyev/Development/MinkFacebookWebDriver/vendor/facebook/webdriver/lib/Remote/RemoteWebDriver.php:597
 /Users/oandreyev/Development/MinkFacebookWebDriver/vendor/facebook/webdriver/lib/Remote/RemoteExecuteMethod.php:40
 /Users/oandreyev/Development/MinkFacebookWebDriver/vendor/facebook/webdriver/lib/Remote/RemoteWebElement.php:369
 /Users/oandreyev/Development/MinkFacebookWebDriver/src/WebDriver.php:751
 /Users/oandreyev/Development/MinkFacebookWebDriver/src/WebDriver.php:605
 /Users/oandreyev/Development/MinkFacebookWebDriver/vendor/behat/mink/src/Element/NodeElement.php:105
 /Users/oandreyev/Development/MinkFacebookWebDriver/vendor/mink/driver-testsuite/tests/Js/ChangeEventTest.php:50

[OndraM]

Thanks for the fix! I found one more issue in the class and updated the PR; will merge after CI is done.

[andrewnicols]

Thanks! I keep meaning to fix this one too.