OZG-4529 add assertation for vorgang nummer

xta-adapter/src/test/java/de/ozgcloud/eingang/xta/XtaITCase.java

@@ -43,9 +43,9 @@ class XtaITCase {
 
 		when(remoteService.getMessage(any(XtaMessageId.class))).thenReturn(
 				XtaMessageTestFactory.createBuilder()
-				.clearMessageFiles().messageFile(XtaFileTestFactory.withFileContent(TestUtils.loadFile("test_content.zip"), "test_content.zip"))
-				.build()
-		);
+						.clearMessageFiles()
+						.messageFile(XtaFileTestFactory.withFileContent(TestUtils.loadFile("test_content.zip"), "test_content.zip"))
+						.build());
 	}
 
 	@Test
@@ -93,6 +93,15 @@ class XtaITCase {
 		assertThat(formData.getZustaendigeStelle().getOrganisationseinheitenId()).isEqualTo("9795669");
 	}
 
+	@Test
+	void shouldHaveVorgangNummer() {
+		runner.onApplicationEvent(null);
+
+		var formData = captorFormData();
+
+		assertThat(formData.getHeader().getVorgangNummer()).hasSize(9);
+	}
+
 	private FormData captorFormData() {
 		verify(vorgangRemoteService).createVorgang(formDataCaptor.capture(), any(), any());