Add check for Minimaldatensatz field set (http://minimaldatensatz.de)

tests/MinimaldatensatzCheckTest.php

@@ -0,0 +1,31 @@
+<?PHP
+/**
+ * Tests for check for Minimaldatensatz conformity.
+ *
+ * @see http://minimaldatensatz.de
+ *
+ * @author Joshua Ramon Enslin <joshua@museum-digital.de>
+ */
+declare(strict_types = 1);
+
+use PHPUnit\Framework\TestCase;
+require_once __DIR__ . '/../src/Checks/Minimaldatensatz/MinimaldatensatzCheck.php';
+require_once __DIR__ . '/../src/Checks/Minimaldatensatz/MinimaldatensatzCheckIncompletelyImplementedException.php';
+
+/**
+ * Tests for check for Minimaldatensatz conformity.
+ */
+final class MinimaldatensatzCheckTest extends TestCase {
+    /**
+     * Ensures that a warning is thrown, if a value has not been set.
+     *
+     * @return void
+     */
+    public function testImageNotChecked():void {
+
+        $check = new MinimaldatensatzCheck;
+        $this->expectException(MinimaldatensatzCheckIncompletelyImplementedException::class);
+        $check->evaluate();
+
+    }
+}