Update unit tests

apps/onboarding-functions/src/main/java/it/pagopa/selfcare/onboarding/client/auth/AuthenticationPropagationHeadersFactory.java

@@ -19,7 +19,7 @@ public class AuthenticationPropagationHeadersFactory implements ClientHeadersFac
     public MultivaluedMap<String, String> update(MultivaluedMap<String, String> incomingHeaders, MultivaluedMap<String, String> clientOutgoingHeaders) {
         String bearerToken;
         if (!clientOutgoingHeaders.isEmpty() && clientOutgoingHeaders.containsKey("user-uuid")) {
-            final String uuid = incomingHeaders.get("user-uuid").get(0);
+            final String uuid = clientOutgoingHeaders.get("user-uuid").get(0);
             bearerToken = tokenService.createJwt(uuid);
         } else {
             bearerToken = System.getenv("JWT_BEARER_TOKEN");

apps/onboarding-functions/src/test/java/it/pagopa/selfcare/onboarding/client/auth/AuthenticationPropagationHeadersFactoryTest.java

@@ -0,0 +1,27 @@
+package it.pagopa.selfcare.onboarding.client.auth;
+
+import io.quarkus.test.junit.QuarkusTest;
+import jakarta.inject.Inject;
+import jakarta.ws.rs.core.MultivaluedHashMap;
+import org.junit.jupiter.api.Test;
+
+import java.util.List;
+import java.util.UUID;
+
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+@QuarkusTest
+class AuthenticationPropagationHeadersFactoryTest {
+
+    @Inject
+    AuthenticationPropagationHeadersFactory authenticationPropagationHeadersFactory;
+
+    @Test
+    void update() {
+        MultivaluedHashMap<String, String> incomingHeaders = new MultivaluedHashMap<>();
+        MultivaluedHashMap<String, String> outgoingHeaders = new MultivaluedHashMap<>();
+        outgoingHeaders.put("user-uuid", List.of(UUID.randomUUID().toString()));
+        authenticationPropagationHeadersFactory.update(incomingHeaders, outgoingHeaders);
+        assertTrue(outgoingHeaders.containsKey("Authorization"));
+    }
+}