Run Unit Tests against PHP 7.4

Bump PHPUnit version and fix unit test

  - Globals are handled differently and are persistent through tests
  - Tests without assertions are marked as risky: some of them are just
meant to check that no error is raised.

1 files changed, 6 insertions, 0 deletions

diff --git a/tests/updater/UpdaterTest.php b/tests/updater/UpdaterTest.php
index 93bc86c1..ac87e33c 100644
--- a/tests/updater/UpdaterTest.php
+++ b/tests/updater/UpdaterTest.php
@@ -724,6 +724,9 @@ $GLOBALS[\'privateLinkByDefault\'] = true;';
      */
     public function testUpdateMethodWebThumbnailerDisabled()
     {
+        if (isset($_SESSION['warnings'])) {
+            unset($_SESSION['warnings']);
+        }
         $this->conf->remove('thumbnails');
         $this->conf->set('thumbnail.enable_thumbnails', false);
         $updater = new Updater([], [], $this->conf, true, $_SESSION);
@@ -740,6 +743,9 @@ $GLOBALS[\'privateLinkByDefault\'] = true;';
      */
     public function testUpdateMethodWebThumbnailerNothingToDo()
     {
+        if (isset($_SESSION['warnings'])) {
+            unset($_SESSION['warnings']);
+        }
         $updater = new Updater([], [], $this->conf, true, $_SESSION);
         $this->assertTrue($updater->updateMethodWebThumbnailer());
         $this->assertFalse($this->conf->exists('thumbnail'));