diff --git a/tests/PHPUnit/Framework/Fixture.php b/tests/PHPUnit/Framework/Fixture.php
index 131af64a0f080c142ee05edf8dd04eaa98821c18..98292b366a34abb310eb03284f56001ea7907b6a 100644
--- a/tests/PHPUnit/Framework/Fixture.php
+++ b/tests/PHPUnit/Framework/Fixture.php
@@ -77,7 +77,7 @@ use ReflectionClass;
 class Fixture extends \PHPUnit_Framework_Assert
 {
     const IMAGES_GENERATED_ONLY_FOR_OS = 'linux';
-    const IMAGES_GENERATED_FOR_PHP = '5.5';
+    const IMAGES_GENERATED_FOR_PHP = '5.6';
     const IMAGES_GENERATED_FOR_GD = '2.1.1';
     const DEFAULT_SITE_NAME = 'Piwik test';
 
diff --git a/tests/PHPUnit/Framework/TestCase/SystemTestCase.php b/tests/PHPUnit/Framework/TestCase/SystemTestCase.php
index 746f4dbf0c4526a4771a5d21c70946951c5795dd..3048352b43836a3cc8b23aa2e1961633020eb7f3 100755
--- a/tests/PHPUnit/Framework/TestCase/SystemTestCase.php
+++ b/tests/PHPUnit/Framework/TestCase/SystemTestCase.php
@@ -121,7 +121,7 @@ abstract class SystemTestCase extends PHPUnit_Framework_TestCase
     {
         if (!Fixture::canImagesBeIncludedInScheduledReports()) {
             $this->markTestSkipped(
-                'Scheduled reports generated during integration tests will not contain the image graphs. ' .
+                '(This should not occur on Travis CI server as we expect these tests to run there). Scheduled reports generated during integration tests will not contain the image graphs. ' .
                     'For tests to generate images, use a machine with the following specifications : ' .
                     'OS = '.Fixture::IMAGES_GENERATED_ONLY_FOR_OS.', PHP = '.Fixture::IMAGES_GENERATED_FOR_PHP .
                     ' and GD = ' . Fixture::IMAGES_GENERATED_FOR_GD
diff --git a/tests/PHPUnit/Framework/TestRequest/Response.php b/tests/PHPUnit/Framework/TestRequest/Response.php
index cc5b682be2a69718b72279a9deab1c140c578c34..5969725de739c203a48265aa16b853d4df308ec4 100644
--- a/tests/PHPUnit/Framework/TestRequest/Response.php
+++ b/tests/PHPUnit/Framework/TestRequest/Response.php
@@ -112,6 +112,7 @@ class Response
 
         $apiResponse = $this->normalizePdfContent($apiResponse);
         $apiResponse = $this->removeXmlFields($apiResponse);
+        $apiResponse = $this->removeTodaysDate($apiResponse);
         $apiResponse = $this->normalizeDecimalFields($apiResponse);
         $apiResponse = $this->normalizeEncodingPhp533($apiResponse);
         $apiResponse = $this->normalizeSpaces($apiResponse);
@@ -120,6 +121,11 @@ class Response
         return $apiResponse;
     }
 
+    private function removeTodaysDate($apiResponse)
+    {
+        return str_replace(date('Y-m-d'), 'today-date-removed-in-tests', $apiResponse);
+    }
+
     private function normalizeEncodingPhp533($apiResponse)
     {
         return str_replace(''', "'", $apiResponse);
@@ -175,6 +181,7 @@ class Response
         $response = preg_replace('/\(D:[0-9]{14}/', '(D:19700101000000', $response);
         $response = preg_replace('/\/ID \[ <.*> ]/', '', $response);
         $response = preg_replace('/\/id:\[ <.*> ]/', '', $response);
+
         $response = $this->removeXmlElement($response, "xmp:CreateDate");
         $response = $this->removeXmlElement($response, "xmp:ModifyDate");
         $response = $this->removeXmlElement($response, "xmp:MetadataDate");
diff --git a/tests/PHPUnit/System/expected/test_TwoVisitors_twoWebsites_differentDays_scheduled_report_in_html_tables_only__ScheduledReports.generateReport_month.original.html b/tests/PHPUnit/System/expected/test_TwoVisitors_twoWebsites_differentDays_scheduled_report_in_html_tables_only__ScheduledReports.generateReport_month.original.html
index 86fa5492ac20756b60a79b061bffb5f3bd77da6d..cdbadbaa2a3c5801bebcdd073f579afb607ee6c2 100644
--- a/tests/PHPUnit/System/expected/test_TwoVisitors_twoWebsites_differentDays_scheduled_report_in_html_tables_only__ScheduledReports.generateReport_month.original.html
+++ b/tests/PHPUnit/System/expected/test_TwoVisitors_twoWebsites_differentDays_scheduled_report_in_html_tables_only__ScheduledReports.generateReport_month.original.html
@@ -19,7 +19,7 @@
           </a>
       </td>
       <td align="right">
-          <a style="font-size:16px; padding:0 15px; color:#ffffff" title="View Web Analytics reports for Site 1." target="_blank" href="http://example.com/piwik/tests/PHPUnit/proxy/index.php?module=CoreHome&action=index&idSite=1&period=day&date=2017-01-22">
+          <a style="font-size:16px; padding:0 15px; color:#ffffff" title="View Web Analytics reports for Site 1." target="_blank" href="http://example.com/piwik/tests/PHPUnit/proxy/index.php?module=CoreHome&action=index&idSite=1&period=day&date=today-date-removed-in-tests">
               Dashboard
           </a>
       </td>
diff --git a/tests/PHPUnit/System/expected/test_ecommerceOrderWithItems_scheduled_report_in_html_tables_only__ScheduledReports.generateReport_week.original.html b/tests/PHPUnit/System/expected/test_ecommerceOrderWithItems_scheduled_report_in_html_tables_only__ScheduledReports.generateReport_week.original.html
index 1d14d55eabde5bde4baa5d9dfe9d20529d869743..66ae5338cf408fe25425c7ee304732101dccbeba 100644
--- a/tests/PHPUnit/System/expected/test_ecommerceOrderWithItems_scheduled_report_in_html_tables_only__ScheduledReports.generateReport_week.original.html
+++ b/tests/PHPUnit/System/expected/test_ecommerceOrderWithItems_scheduled_report_in_html_tables_only__ScheduledReports.generateReport_week.original.html
@@ -19,7 +19,7 @@
           </a>
       </td>
       <td align="right">
-          <a style="font-size:16px; padding:0 15px; color:#ffffff" title="View Web Analytics reports for Piwik test." target="_blank" href="http://example.com/piwik/tests/PHPUnit/proxy/index.php?module=CoreHome&action=index&idSite=1&period=day&date=2017-01-22">
+          <a style="font-size:16px; padding:0 15px; color:#ffffff" title="View Web Analytics reports for Piwik test." target="_blank" href="http://example.com/piwik/tests/PHPUnit/proxy/index.php?module=CoreHome&action=index&idSite=1&period=day&date=today-date-removed-in-tests">
               Dashboard
           </a>
       </td>