improved failure message for timing-dependant test case

Change-Id: If3bcc4fb55aea6713e9082e249ddbae4ccd26ffc

diff --git a/tests/phpunit/maintenance/backupTextPassTest.php b/tests/phpunit/maintenance/backupTextPassTest.php
index 1f2acff..1aa9326 100644 (file)
--- a/tests/phpunit/maintenance/backupTextPassTest.php
+++ b/tests/phpunit/maintenance/backupTextPassTest.php
@@ -382,7 +382,7 @@ class TextPassDumperTest extends DumpTestCase {
                $this->assertEmpty( $files, "Remaining unchecked files" );
 
                // ... and have dealt with more than one checkpoint file
-               $this->assertGreaterThan( 1, $checkpointFiles, "# of checkpoint files" );
+               $this->assertGreaterThan( 1, $checkpointFiles, "expected more than 1 checkpoint to have been created. Checkpoint interval is $checkpointAfter seconds, maybe your computer is too fast?" );
 
                $this->expectETAOutput();
        }