class OfferValidatorTest and test validate created

src/test/java/de/rwu/easydrop/service/validation/OfferValidatorTest.java

@@ -1,5 +1,23 @@
 package de.rwu.easydrop.service.validation;
 
+import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
+
+import org.junit.jupiter.api.Test;
+
+import de.rwu.easydrop.model.Offer;
+
+
 public class OfferValidatorTest {
 
+    @Test
+    void validate_Offer_ValidProduct_NoExceptionThrown() {
+        // Arrange
+        Offer offer = new Offer();
+        offer.setOfferId("3672");
+        offer.setLastUpdate("2021-02-03");
+
+        // Act and Assert
+        assertDoesNotThrow(() -> OfferValidator.validate(offer));
+    }
+    
 }