Add tests for Admin_Settings::the_settings_page(). (#238)

tests/phpunit/tests/AdminSettings/AdminSettings_TheSettingsPageTest.php

@@ -0,0 +1,23 @@
+<?php
+/**
+ * Class AdminSettings_TheSettingsPageTest
+ *
+ * @package AspireUpdate
+ */
+
+/**
+ * Tests for Admin_Settings::the_settings_page()
+ *
+ * @covers \AspireUpdate\Admin_Settings::the_settings_page
+ */
+class AdminSettings_TheSettingsPageTest extends AdminSettings_UnitTestCase {
+	/**
+	 * Test that the settings page is output.
+	 */
+	public function test_should_output_settings_page() {
+		$admin_settings = new AspireUpdate\Admin_Settings();
+		$actual         = get_echo( [ $admin_settings, 'the_settings_page' ] );
+
+		$this->assertStringContainsString( 'AspireUpdate Settings', $actual );
+	}
+}