Assert that a module cannot be installed if it fails hook_requirements().
function testHookRequirementsFailure() {
$this
->assertModules(array(
'requirements1_test',
), FALSE);
// Attempt to install the requirements1_test module.
$edit = array();
$edit['modules[Testing][requirements1_test][enable]'] = 'requirements1_test';
$this
->drupalPost('admin/modules', $edit, t('Save configuration'));
// Makes sure the module was NOT installed.
$this
->assertText(t('Requirements 1 Test failed requirements'), 'Modules status has been updated.');
$this
->assertModules(array(
'requirements1_test',
), FALSE);
}