Fix ExecutingPolicyDocTests

An earlier commit 6d8b841 contains a
silly mistake in a test. This fixes that.

Relates #72931

Author: DaveCTurner

x-pack/plugin/enrich/src/test/java/org/elasticsearch/xpack/monitoring/collector/enrich/ExecutingPolicyDocTests.java

@@ -124,9 +124,7 @@ public void testToXContent() throws IOException {
                     + ","
                     + "\"cancellable\":"
                     + executingPolicy.getTaskInfo().isCancellable()
-                    + (executingPolicy.getTaskInfo().isCancellable()
-                        ? ",\"cancelled\":" + executingPolicy.getTaskInfo().isCancellable()
-                        : "")
+                    + (executingPolicy.getTaskInfo().isCancellable() ? ",\"cancelled\":" + executingPolicy.getTaskInfo().isCancelled() : "")
                     + ","
                     + header.map(entry -> String.format(Locale.ROOT, "\"headers\":{\"%s\":\"%s\"}", entry.getKey(), entry.getValue()))
                         .orElse("\"headers\":{}")