fix typo in integrationtest

Author: xiaocongli

integration-test/src/test/java/org/cloudfoundry/operations/ApplicationsTest.java

@@ -818,7 +818,7 @@ public void pushManifestV3WithMetadata() throws IOException {
                                                                 .build())
                                                 .build())
                                 .build())
-                .map(manifestm -> manifest.getMetadata())
+                .map(manifest -> manifest.getMetadata())
                 .as(StepVerifier::create)
                 .consumeNextWith(metadata -> {
                     assertThat(metadata.getLabels()).containsAllEntriesOf(labels);