my changes

src/domain/Factory.java

@@ -11,7 +11,6 @@ public class Factory implements Serializable {
     private int r2d2ID = 10000;
 
     public Factory(){
-
     }
     /**
      * @return Collection<Robot></Robot>

tests/tests/FactoryTest.java

@@ -1,11 +1,20 @@
 package tests.tests;
 
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
+import src.domain.C3PO;
+import src.domain.Factory;
+import src.domain.RobotType;
 
 import static org.junit.jupiter.api.Assertions.*;
 
 class FactoryTest {
 
+    Factory f;
+    @BeforeEach
+    void setup(){
+        f = new Factory();
+    }
     @Test
     void robotListToCollection() {
 
@@ -18,9 +27,13 @@ class FactoryTest {
 
     @Test
     void buildNewRobot() {
+        asserEquals(true, f.buildNewRobot("herbi", RobotType.R2D2));
+
     }
 
     @Test
     void getRobotOfList() {
+        String[] test = new String[0];
+        assertEquals(test, f.getRobotList());
     }
 }