diff --git a/x-pack/plugin/apm-data/src/yamlRestTest/resources/rest-api-spec/test/20_error_logs.yml b/x-pack/plugin/apm-data/src/yamlRestTest/resources/rest-api-spec/test/20_error_logs.yml
index 5d2a6ec29ff4c..98cf5060181f6 100644
--- a/x-pack/plugin/apm-data/src/yamlRestTest/resources/rest-api-spec/test/20_error_logs.yml
+++ b/x-pack/plugin/apm-data/src/yamlRestTest/resources/rest-api-spec/test/20_error_logs.yml
@@ -26,3 +26,26 @@ setup:
   - length: { hits.hits: 2 }
   - match: { hits.hits.0.fields: { "log.level": ["error"] } }
   - match: { hits.hits.1.fields: { "log.level": ["warn"] } }
+---
+"Test traces-apm-* setting event.ingested via ingest pipeline":
+  - do:
+      bulk:
+        index: logs-apm.error-event-ingested-testing
+        refresh: true
+        body:
+          # No event.ingested field populated, it gets added
+          - create: {}
+          - '{"@timestamp": "2017-06-22", "log": {"level": "error"}, "error": {"log": {"message": "loglevel"}, "exception": [{"message": "exception_used"}]}}'
+
+          # event.ingested populated, it gets overwritten
+          - create: {}
+          - '{"@timestamp": "2017-06-22", "log": {"level": "warn"}, "error": {"log": {"message": "loglevel"}, "exception": [{"message": "exception_used"}]}, "event": {"ingested": "2017-06-22 22:00:00.000Z"}}'
+
+  - is_false: errors
+
+  - do:
+      search:
+        index: logs-apm.error-event-ingested-testing
+        body:
+          fields: ["event.ingested"]
+  - length: { hits.hits: 2 }
diff --git a/x-pack/plugin/apm-data/src/yamlRestTest/resources/rest-api-spec/test/20_traces_ingest.yml b/x-pack/plugin/apm-data/src/yamlRestTest/resources/rest-api-spec/test/20_traces_ingest.yml
index ea7f948abf0b8..8167d912d4100 100644
--- a/x-pack/plugin/apm-data/src/yamlRestTest/resources/rest-api-spec/test/20_traces_ingest.yml
+++ b/x-pack/plugin/apm-data/src/yamlRestTest/resources/rest-api-spec/test/20_traces_ingest.yml
@@ -97,3 +97,27 @@ setup:
   - match: { hits.hits.1.fields: null }
   - match: { hits.hits.2.fields: {"event.success_count": [1]} }
   - match: { hits.hits.3.fields: {"event.success_count": [0]} }
+---
+"Test traces-apm-* setting event.ingested via ingest pipeline":
+  - do:
+      bulk:
+        index: traces-apm-testing
+        refresh: true
+        body:
+          # No event.ingested field populated, it gets added
+          - create: {}
+          - '{"@timestamp": "2017-06-22"}'
+
+          # event.ingested populated, it gets overwritten
+          - create: {}
+          - '{"@timestamp": "2017-06-22", "event": {"ingested": "2017-06-22T00:00:00.123456Z"}}'
+
+  - is_false: errors
+
+  - do:
+      search:
+        index: traces-apm-testing
+        body:
+          fields: ["event.ingested"]
+  - length: { hits.hits: 2 }
+