in src/it/java/com/epam/digital/data/platform/langserver/GroovyLangServerIT.java [66:80]
void emptyDiagnosticMessagesTest() {
var resourceContent = getResourceContent("groovy/groovy-request-correct.json");
var webSocketClient = new StandardWebSocketClient();
var mock = Mockito.mock(TextWebSocketHandler.class);
var webSocketSessionListenableFuture = webSocketClient.doHandshake(
mock,
new WebSocketHttpHeaders(),
URI.create("ws://localhost:" + port + "/groovy"));
var webSocketSession = webSocketSessionListenableFuture.get();
sendMessage(resourceContent, webSocketSession);
Mockito.verify(mock, Mockito.never()).handleMessage(any(), any());
}