Bug 4339: Added explanatory comment about chromedriver to

local-test-environment.xml

java/com.sap.sailing.selenium.test/local-test-environment.xml

@@ -32,6 +32,12 @@
           browser and the driver, is needed.
   -->
   <system-properties>
+     <!--
+        You need chromedriver to be able to run Selenium tests on Chrome/Chromium.
+        This is the path to chromedriver, not Chrome.
+        The chromedriver download is linked on the official selenium download page:
+        https://www.seleniumhq.org/download/
+     -->
      <system-property>
         <name>webdriver.chrome.driver</name>
         <value>C:\apps\ChromeSeleniumDriver\chromedriver.exe</value>