MDL-55091 phpunit: Following has been deprecated.

1. getMock()
2. setExpectedException()
3. checkForUnintentionallyCoveredCode renamed to beStrictAboutCoversAnnotation
4. beStrictAboutTestSize renamed to enforceTimeLimit
5. UnitTestCase class is now fully removed.

lib/tests/update_code_manager_test.php

@@ -111,12 +111,14 @@ class core_update_code_manager_testcase extends advanced_testcase {
         $files = $codeman->unzip_plugin_file($zipfilepath, $targetdir, 'bar');
     }
 
+    /**
+     * @expectedException moodle_exception
+     */
     public function test_unzip_plugin_file_multidir() {
         $codeman = new \core\update\testable_code_manager();
         $zipfilepath = __DIR__.'/fixtures/update_validator/zips/multidir.zip';
         $targetdir = make_request_directory();
         // Attempting to rename the root folder if there are multiple ones should lead to exception.
-        $this->setExpectedException('moodle_exception');
         $files = $codeman->unzip_plugin_file($zipfilepath, $targetdir, 'foo');
     }