    public function testImportVisibility() {
        $csvFile = 'contacts-visibility.csv';
        $this->prepareImport ('Contacts', $csvFile);
        $expected = $this->stashModels ('Contacts');
        $this->assertGreaterThan (0, count($expected),
            'Failed to load fixture! Models were expected');
        $this->beginImport();
        $this->assertNoValidationErrorsPresent();
        $this->assertModelsWereImported ($expected, 'Contacts');
    }
The product receives input or data, but it does
        not validate or incorrectly validates that the input has the
        properties that are required to process the data safely and
        correctly.