Mute failing SetProcessorTests.testCopyFromOtherField (#69877) (#69885)

Author: danhermann

modules/ingest-common/src/test/java/org/elasticsearch/ingest/common/SetProcessorTests.java

@@ -135,6 +135,7 @@ public void testSetMetadataIfPrimaryTerm() throws Exception {
  assertThat(ingestDocument.getFieldValue(Metadata.IF_PRIMARY_TERM.getFieldName(), Long.class), Matchers.equalTo(ifPrimaryTerm));
  }
 
+ @AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/69876")
  public void testCopyFromOtherField() throws Exception {
  Map<String, Object> document = new HashMap<>();
  Object fieldValue = RandomDocumentPicks.randomFieldValue(random());