OZG-4717 Added tests vor error-response-body-field memebers

src/test/java/de/ozgcloud/admin/common/errorhandling/AdminExceptionHandlerTest.java

@@ -74,6 +74,42 @@ class AdminExceptionHandlerTest {
 			result.andExpect(jsonPath("$.status").value(expectedStatus.value()));
 		}
 
+		@ParameterizedTest
+		@MethodSource("exceptionAndExpectedStatus")
+		@SneakyThrows
+		void shouldRespondWithTitler(Class<? extends Exception> exceptionClass, HttpStatus expectedStatus) {
+			var result = doPerformWithError(exceptionClass);
+
+			result.andExpect(jsonPath("$.title").exists());
+		}
+
+		@ParameterizedTest
+		@MethodSource("exceptionAndExpectedStatus")
+		@SneakyThrows
+		void shouldRespondWithDetail(Class<? extends Exception> exceptionClass, HttpStatus expectedStatus) {
+			var result = doPerformWithError(exceptionClass);
+
+			result.andExpect(jsonPath("$.detail").exists());
+		}
+
+		@ParameterizedTest
+		@MethodSource("exceptionAndExpectedStatus")
+		@SneakyThrows
+		void shouldRespondWithInstance(Class<? extends Exception> exceptionClass, HttpStatus expectedStatus) {
+			var result = doPerformWithError(exceptionClass);
+
+			result.andExpect(jsonPath("$.instance").exists());
+		}
+
+		@ParameterizedTest
+		@MethodSource("exceptionAndExpectedStatus")
+		@SneakyThrows
+		void shouldRespondWithType(Class<? extends Exception> exceptionClass, HttpStatus expectedStatus) {
+			var result = doPerformWithError(exceptionClass);
+
+			result.andExpect(jsonPath("$.type").exists());
+		}
+
 		private static Stream<Arguments> exceptionAndExpectedStatus() {
 			return STATUS_BY_EXCEPTION.entrySet().stream().map(kv -> Arguments.of(kv.getKey(), kv.getValue()));
 		}