Check if $module['dependencies'] is set before checking whether
it's a string.
Change-Id: I9ece83d4ec92d0d3a41a1c6863492e646f011eab
// Add the QUnit testrunner as implicit dependency to extension test suites.
foreach ( $testModules['qunit'] as &$module ) {
// Shuck any single-module dependency as an array
- if ( is_string( $module['dependencies'] ) ) {
+ if ( isset( $module['dependencies'] ) && is_string( $module['dependencies'] ) ) {
$module['dependencies'] = [ $module['dependencies'] ];
}