test : wait after a teardown

Author: yeikel

api/src/test/java/io/kafbat/ui/KafkaConnectServiceTests.java

@@ -15,6 +15,7 @@
 import io.kafbat.ui.model.ConnectorTypeDTO;
 import io.kafbat.ui.model.NewConnectorDTO;
 import io.kafbat.ui.model.TaskIdDTO;
+import java.time.Duration;
 import java.util.List;
 import java.util.Map;
 import java.util.UUID;
@@ -62,12 +63,13 @@ public void setUp() {
   }
 
   @AfterEach
-  public void tearDown() {
+  public void tearDown() throws InterruptedException {
     webTestClient.delete()
         .uri("/api/clusters/{clusterName}/connects/{connectName}/connectors/{connectorName}", LOCAL,
             connectName, connectorName)
         .exchange()
         .expectStatus().isOk();
+    Thread.sleep(Duration.ofMillis(500));
   }
 
   @Test