test(site/change-lang): integration tests for switching the language

Fix #214

Author: mukeshk

src/test/robotframework/site/change-lang/logic.robot

@@ -0,0 +1,17 @@
+*** Settings ***
+Documentation   Verify change language scenario
+Library         SeleniumLibrary
+Suite Setup     Before Test Suite
+Suite Teardown  Close Browser
+Force Tags      site  change-lang  logic
+
+*** Test Cases ***
+Verify home page logo text changes after language switch
+    Element Text Should Be  id=logo  My stamps
+    Click Link              //*[@href="?lang=ru"]
+    Element Text Should Be  id=logo  Мои марки
+
+*** Keywords ***
+Before Test Suite
+	Open Browser                        ${SITE_URL}/  ${BROWSER}
+	Register Keyword To Run On Failure  Log Source