added new test files

tests/PHPUnit/System/expected/test_ImportLogs__UserLanguage.getLanguageCode_month.xml

+<?xml version="1.0" encoding="utf-8" ?>
+<result>
+	<row>
+		<label>Unknown (xx)</label>
+		<nb_visits>35</nb_visits>
+		<nb_actions>40</nb_actions>
+		<max_actions>3</max_actions>
+		<sum_visit_length>550</sum_visit_length>
+		<bounce_count>31</bounce_count>
+		<nb_visits_converted>31</nb_visits_converted>
+		<sum_daily_nb_uniq_visitors>34</sum_daily_nb_uniq_visitors>
+		<sum_daily_nb_users>2</sum_daily_nb_users>
+	</row>
+</result>
\ No newline at end of file

tests/PHPUnit/System/expected/test_ImportLogs__UserLanguage.getLanguage_month.xml

+<?xml version="1.0" encoding="utf-8" ?>
+<result>
+	<row>
+		<label>Unknown</label>
+		<nb_visits>35</nb_visits>
+		<nb_actions>40</nb_actions>
+		<max_actions>3</max_actions>
+		<sum_visit_length>550</sum_visit_length>
+		<bounce_count>31</bounce_count>
+		<nb_visits_converted>31</nb_visits_converted>
+		<sum_daily_nb_uniq_visitors>34</sum_daily_nb_uniq_visitors>
+		<sum_daily_nb_users>2</sum_daily_nb_users>
+	</row>
+</result>
\ No newline at end of file

tests/PHPUnit/System/expected/test_OneVisitorTwoVisits__UserLanguage.getLanguageCode_day.xml

+<?xml version="1.0" encoding="utf-8" ?>
+<result>
+	<row>
+		<label>French (fr)</label>
+		<nb_uniq_visitors>1</nb_uniq_visitors>
+		<nb_visits>2</nb_visits>
+		<nb_actions>8</nb_actions>
+		<max_actions>7</max_actions>
+		<sum_visit_length>1621</sum_visit_length>
+		<bounce_count>1</bounce_count>
+		<nb_visits_converted>2</nb_visits_converted>
+	</row>
+</result>
\ No newline at end of file

tests/PHPUnit/System/expected/test_OneVisitorTwoVisits__UserLanguage.getLanguage_day.xml

+<?xml version="1.0" encoding="utf-8" ?>
+<result>
+	<row>
+		<label>French</label>
+		<nb_uniq_visitors>1</nb_uniq_visitors>
+		<nb_visits>2</nb_visits>
+		<nb_actions>8</nb_actions>
+		<max_actions>7</max_actions>
+		<sum_visit_length>1621</sum_visit_length>
+		<bounce_count>1</bounce_count>
+		<nb_visits_converted>2</nb_visits_converted>
+	</row>
+</result>
\ No newline at end of file

tests/PHPUnit/System/expected/test_OneVisitor_LongUrlsTruncated__UserSettings.getPlugin_day.xml

+<?xml version="1.0" encoding="utf-8" ?>
+<result>
+	<row>
+		<label>Cookie</label>
+		<nb_visits>7</nb_visits>
+		<nb_visits_percentage>100%</nb_visits_percentage>
+		<logo>plugins/DevicePlugins/images/plugins/cookie.gif</logo>
+	</row>
+	<row>
+		<label>Flash</label>
+		<nb_visits>7</nb_visits>
+		<nb_visits_percentage>100%</nb_visits_percentage>
+		<logo>plugins/DevicePlugins/images/plugins/flash.gif</logo>
+	</row>
+	<row>
+		<label>Autres</label>
+		<nb_visits>7</nb_visits>
+		<nb_visits_percentage>100%</nb_visits_percentage>
+	</row>
+</result>
\ No newline at end of file

tests/PHPUnit/System/expected/test_noVisit_PeriodIsLast__UserLanguage.getLanguageCode_day.xml

+<?xml version="1.0" encoding="utf-8" ?>
+<results>
+	<result date="2009-01-04" />
+	<result date="2009-01-05" />
+	<result date="2009-01-06" />
+	<result date="2009-01-07" />
+	<result date="2009-01-08" />
+	<result date="2009-01-09" />
+	<result date="2009-01-10" />
+</results>
\ No newline at end of file

tests/PHPUnit/System/expected/test_noVisit_PeriodIsLast__UserLanguage.getLanguageCode_week.xml

+<?xml version="1.0" encoding="utf-8" ?>
+<results>
+	<result date="From 2008-12-29 to 2009-01-04" />
+	<result date="From 2009-01-05 to 2009-01-11" />
+	<result date="From 2009-01-12 to 2009-01-18" />
+	<result date="From 2009-01-19 to 2009-01-25" />
+	<result date="From 2009-01-26 to 2009-02-01" />
+	<result date="From 2009-02-02 to 2009-02-08" />
+	<result date="From 2009-02-09 to 2009-02-15" />
+</results>
\ No newline at end of file

tests/PHPUnit/System/expected/test_noVisit_PeriodIsLast__UserLanguage.getLanguage_day.xml

+<?xml version="1.0" encoding="utf-8" ?>
+<results>
+	<result date="2009-01-04" />
+	<result date="2009-01-05" />
+	<result date="2009-01-06" />
+	<result date="2009-01-07" />
+	<result date="2009-01-08" />
+	<result date="2009-01-09" />
+	<result date="2009-01-10" />
+</results>
\ No newline at end of file

tests/PHPUnit/System/expected/test_noVisit_PeriodIsLast__UserLanguage.getLanguage_week.xml

+<?xml version="1.0" encoding="utf-8" ?>
+<results>
+	<result date="From 2008-12-29 to 2009-01-04" />
+	<result date="From 2009-01-05 to 2009-01-11" />
+	<result date="From 2009-01-12 to 2009-01-18" />
+	<result date="From 2009-01-19 to 2009-01-25" />
+	<result date="From 2009-01-26 to 2009-02-01" />
+	<result date="From 2009-02-02 to 2009-02-08" />
+	<result date="From 2009-02-09 to 2009-02-15" />
+</results>
\ No newline at end of file

tests/PHPUnit/System/expected/test_noVisit__UserLanguage.getLanguageCode_day.xml

+<?xml version="1.0" encoding="utf-8" ?>
+<result />
\ No newline at end of file

tests/PHPUnit/System/expected/test_noVisit__UserLanguage.getLanguage_day.xml

+<?xml version="1.0" encoding="utf-8" ?>
+<result />
\ No newline at end of file