3 calls to drupal_generate_test_ua()

DrupalWebTestCase::curlInitialize in modules/simpletest/drupal_web_test_case.php
Initializes the cURL connection.
drupal_http_request in includes/common.inc
Performs an HTTP request.
SimpleTestFunctionalTest::testUserAgentValidation in modules/simpletest/simpletest.test
Test validation of the User-Agent header we use to perform test requests.

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