Fix tests (#11153)

* referrer tests

* Core system tests

* Log Analytics is compatible with Python 2.7

* Note

* Submodule

* UI tests: Gender neutral

tests/PHPUnit/System/expected/test_periodIsRange_dateIsLastN_MetadataAndNormalAPI_pagesegment__API.getProcessedReport_range.xml

@@ -15,8 +15,8 @@
 			<nb_actions>Actions</nb_actions>
 		</metrics>
 		<metricsDocumentation>
-			<nb_visits>If a visitor comes to your website for the first time or if he visits a page more than 30 minutes after his last page view, this will be recorded as a new visit.</nb_visits>
-			<nb_uniq_visitors>The number of unduplicated visitors coming to your website. Every user is only counted once, even if he visits the website multiple times a day.</nb_uniq_visitors>
+			<nb_visits>If a visitor comes to your website for the first time or if they visit a page more than 30 minutes after their last page view, this will be recorded as a new visit.</nb_visits>
+			<nb_uniq_visitors>The number of unduplicated visitors coming to your website. Every user is only counted once, even if they visit the website multiple times a day.</nb_uniq_visitors>
 			<nb_actions>The number of actions performed by your visitors. Actions can be page views, internal site searches, downloads or outlinks.</nb_actions>
 			<nb_actions_per_visit>The average number of actions (page views, site searches, downloads or outlinks) that were performed during the visits.</nb_actions_per_visit>
 			<avg_time_on_site>The average duration of a visit.</avg_time_on_site>

tests/PHPUnit/System/expected/test_twoVisitsWithCustomVariables__subtable__API.getProcessedReport_day.xml

@@ -17,8 +17,8 @@
 			<nb_users>Users</nb_users>
 		</metrics>
 		<metricsDocumentation>
-			<nb_visits>If a visitor comes to your website for the first time or if he visits a page more than 30 minutes after his last page view, this will be recorded as a new visit.</nb_visits>
-			<nb_uniq_visitors>The number of unduplicated visitors coming to your website. Every user is only counted once, even if he visits the website multiple times a day.</nb_uniq_visitors>
+			<nb_visits>If a visitor comes to your website for the first time or if they visit a page more than 30 minutes after their last page view, this will be recorded as a new visit.</nb_visits>
+			<nb_uniq_visitors>The number of unduplicated visitors coming to your website. Every user is only counted once, even if they visit the website multiple times a day.</nb_uniq_visitors>
 			<nb_actions>The number of actions performed by your visitors. Actions can be page views, internal site searches, downloads or outlinks.</nb_actions>
 			<nb_users>The number of users logged in your website. It is the number of unique active users that have a User ID set (via the Tracking code function 'setUserId').</nb_users>
 			<nb_actions_per_visit>The average number of actions (page views, site searches, downloads or outlinks) that were performed during the visits.</nb_actions_per_visit>