MDL-43056 tool_uploadcourse: Add capability to upload courses from file

An entrypoint capability has been added that allows accessing the
upload tool. Further relevant capability checks are then performed
depending on the action being taken during the upload process.

Co-authored-by: Marina Glancy <[email protected]>

admin/tool/uploadcourse/tests/processor_test.php

@@ -35,6 +35,7 @@ class processor_test extends \advanced_testcase {
     public function test_basic() {
         global $DB;
         $this->resetAfterTest(true);
+        $this->setAdminUser();
 
         $content = array(
             "shortname,fullname,summary",
@@ -134,6 +135,7 @@ class processor_test extends \advanced_testcase {
     public function test_shortname_template() {
         global $DB;
         $this->resetAfterTest(true);
+        $this->setAdminUser();
 
         $content = array(
             "shortname,fullname,summary,idnumber",