Adjust the skip version in flattened field telemetry tests.

jtibshirani · jtibshirani · commit 54c1a5965083 · 2020-01-10T10:31:37.000-08:00
It can be lowered to 7.5.99 now that the functionality was backported in #48972.
diff --git a/x-pack/plugin/src/test/resources/rest-api-spec/test/flattened/20_flattened_stats.yml b/x-pack/plugin/src/test/resources/rest-api-spec/test/flattened/20_flattened_stats.yml
@@ -1,7 +1,7 @@
 setup:
   - skip:
-      version: " - 7.99.99"
-      reason: "telemetry for flattened fields was added in 8.0"
+      version: " - 7.5.99"
+      reason: "telemetry for flattened fields was added in 7.6.0"
 
 ---
 "Usage stats for flattened fields":
