OZG-6944 move mock

vorgang-manager-server/src/test/java/de/ozgcloud/nachrichten/antragraum/AntragraumITCase.java

@@ -410,17 +410,13 @@ class AntragraumITCase {
 					VorgangAttachedItem.COLLECTION_NAME);
 		}
 
-		@BeforeEach
-		void mockObserver() {
+		@Test
+		void shouldSendContent() {
 			when(responseObserver.isReady()).thenReturn(true);
 			doAnswer(invocation -> {
 				((Runnable) invocation.getArgument(0)).run();
 				return null;
 			}).when(responseObserver).setOnReadyHandler(any());
-		}
-
-		@Test
-		void shouldSendContent() {
 			when(verifier.verify(any())).thenReturn(Collections.emptyList());
 			when(decrypter.decryptTrustLevel(any())).thenReturn(TrustLevel.LEVEL_3.getValue());
 			when(decrypter.decryptPostfachId(any()))
@@ -450,7 +446,7 @@ class AntragraumITCase {
 					.setFileId(fileId)
 					.build();
 
-			verify(responseObserver, never()).onNext(any());
+			verify(responseObserver, never()).setOnReadyHandler(any());
 
 		}
 
@@ -465,7 +461,7 @@ class AntragraumITCase {
 					.setFileId(fileId)
 					.build();
 
-			verify(responseObserver, never()).onNext(any());
+			verify(responseObserver, never()).setOnReadyHandler(any());
 		}
 
 		@Test
@@ -480,7 +476,7 @@ class AntragraumITCase {
 					.setFileId(fileId)
 					.build();
 
-			verify(responseObserver, never()).onNext(any());
+			verify(responseObserver, never()).setOnReadyHandler(any());
 		}
 
 		@Test
@@ -495,7 +491,7 @@ class AntragraumITCase {
 					.setFileId(fileId)
 					.build();
 
-			verify(responseObserver, never()).onNext(any());
+			verify(responseObserver, never()).setOnReadyHandler(any());
 		}
 	}