MTA-3333: Deliver functional test fixes that were made during regression testing

-mtf release version changed

Author: SmolyarO

dev/tests/functional/composer.json

@@ -1,6 +1,6 @@
 {
     "require": {
-        "magento/mtf": "1.0.0-rc42",
+        "magento/mtf": "1.0.0-rc43",
         "php": "~5.5.22|~5.6.0|~7.0.0",
         "phpunit/phpunit": "4.1.0",
         "phpunit/phpunit-selenium": ">=1.2"