Fixed failing website tests

Author: norberttech

web/landing/phpunit.xml

@@ -14,6 +14,7 @@
     <env name="APP_ENV" value="test"/>
     <server name="PANTHER_WEB_SERVER_ROUTER" value="../tests/router.php"/>
     <server name="PANTHER_CHROME_ARGUMENTS" value="--no-first-run --no-default-browser-check --disable-search-engine-choice-screen --disable-features=Translate,InterestFeedContentSuggestions"/>
+    <server name="PANTHER_NO_SANDBOX" value="1"/>
   </php>
   <testsuites>
     <testsuite name="unit">