[DO NOT MERGE] Test file renames PR #11554

[TheNeuralBit]

Test that a move followed by changes gets picked up correctly in a PR:

From top of PR #11554 branch

git reset master
mv website/www/site/content/en/documentation/dsls/sql/calcite/aggregate-functions.md /tmp
git mv website/src/documentation/dsls/sql/calcite/aggregate-functions.md website/www/site/content/en/documentation/dsls/sql/calcite/aggregate-functions.md
git commit -m "test move"
mv /tmp/aggregate-functions.md website/www/site/content/en/documentation/dsls/sql/calcite/aggregate-functions.md
git add website/www/site/content/en/documentation/dsls/sql/calcite/aggregate-functions.md
git commit -m "apply changes"

Post-Commit Tests Status (on master branch)

Lang	SDK	Apex	Dataflow	Flink	Gearpump	Samza	Spark
Go		---	---		---	---
Java
Python		---			---	---
XLang	---	---	---		---	---

Pre-Commit Tests Status (on master branch)

---	Java	Python	Go	Website
Non-portable
Portable	---		---	---

See .test-infra/jenkins/README for trigger phrase, status and link of all Jenkins jobs.