fix: date format has changed in fabric8 5.9

Author: metacosm

Diff for: operator-framework-core/src/test/java/io/javaoperatorsdk/operator/processing/event/internal/CustomResourceSelectorTest.java

@@ -1,22 +1,16 @@
 package io.javaoperatorsdk.operator.processing.event.internal;
 
 import java.text.ParseException;
-import java.time.LocalDateTime;
-import java.time.format.DateTimeFormatter;
+import java.text.SimpleDateFormat;
 import java.util.Date;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.function.Consumer;
 
-import org.awaitility.core.ConditionTimeoutException;
-import org.junit.jupiter.api.BeforeEach;
-import org.junit.jupiter.api.Test;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import io.fabric8.kubernetes.api.model.ObjectMetaBuilder;
 import io.fabric8.kubernetes.client.KubernetesClient;
 import io.fabric8.kubernetes.client.VersionInfo;
+import io.fabric8.kubernetes.client.VersionInfo.VersionKeys;
 import io.fabric8.kubernetes.client.server.mock.EnableKubernetesMockClient;
 import io.fabric8.kubernetes.client.server.mock.KubernetesMockServer;
 import io.javaoperatorsdk.operator.Operator;
@@ -29,6 +23,12 @@
 import io.javaoperatorsdk.operator.api.config.Version;
 import io.javaoperatorsdk.operator.sample.simple.TestCustomResource;
 
+import org.awaitility.core.ConditionTimeoutException;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.awaitility.Awaitility.await;
 import static org.hamcrest.Matchers.greaterThan;
@@ -50,9 +50,7 @@ public class CustomResourceSelectorTest {
   @SuppressWarnings("unchecked")
   @BeforeEach
   void setUpResources() throws ParseException {
-    String buildDate =
-        DateTimeFormatter.ofPattern(VersionInfo.VersionKeys.BUILD_DATE_FORMAT)
-            .format(LocalDateTime.now());
+    String buildDate = new SimpleDateFormat(VersionKeys.BUILD_DATE_FORMAT).format(new Date());
 
     server
         .expect()