refactor: adjust test to instant (planning#2016)

client/src/test/java/dev/fitko/fitconnect/client/adapter/ZBPServiceAdapterTest.java

@@ -92,7 +92,7 @@ class ZBPServiceAdapterTest {
 
         final CreateState createState = CreateState.builder()
                 .applicationId(applicationId)
-                .createdDate(Instant.now())
+                .createdDate(Instant.parse("2022-07-21T08:32:11Z"))
                 .publicServiceName(new PublicServiceName("FIT-Connect"))
                 .state(State.COMPLETED)
                 .senderName(new SenderName("FIT-Connect"))

client/src/test/resources/zbp-new-state-content.json

-{"applicationId":"bb69aca6-fefd-44ec-83de-ca081ea56d4e","status":"COMPLETED","publicServiceName":{"de":"FIT-Connect"},"statusDetails":{"de":"some details"},"additionalInformation":{"de":"more information"},"reference":"referencing","senderName":{"de":"FIT-Connect"},"createdDate":"2022-07-21T08:32:11"}
+{"applicationId":"bb69aca6-fefd-44ec-83de-ca081ea56d4e","status":"COMPLETED","publicServiceName":{"de":"FIT-Connect"},"statusDetails":{"de":"some details"},"additionalInformation":{"de":"more information"},"reference":"referencing","senderName":{"de":"FIT-Connect"},"createdDate":"2022-07-21T08:32:11Z"}
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