OZG-6986 fix RootModelAssemblerTest

src/test/java/de/ozgcloud/admin/RootModelAssemblerTest.java

@@ -57,16 +57,17 @@ class RootModelAssemblerTest {
 	@DisplayName("Entity Model")
 	@Nested
 	class TestEntityModel {
+
+		private final List<Link> links = List.of(Link.of(RootController.PATH));
+
 		@BeforeEach
 		void beforeEach() {
-			when(restProperties.getBasePath()).thenReturn(BASE_PATH);
+			doReturn(links).when(modelAssembler).buildRootModelLinks();
 		}
 
 		@Test
 		void shouldHaveRoot() {
 			var givenRoot = RootTestFactory.create();
-			List<Link> links = List.of();
-			when(modelAssembler.buildRootModelLinks()).thenReturn(links);
 
 			var resultRoot = modelAssembler.toModel(givenRoot).getContent();
 
@@ -75,9 +76,6 @@ class RootModelAssemblerTest {
 
 		@Test
 		void shouldHaveLinks() {
-			List<Link> links = List.of(Link.of(RootController.PATH));
-			when(modelAssembler.buildRootModelLinks()).thenReturn(links);
-
 			var modelLinks = modelAssembler.toModel(RootTestFactory.create()).getLinks();
 
 			assertThat(modelLinks).containsAll(links);