[ysh rename] testdata oil -> ysh

doc/release-quality.md

@@ -58,7 +58,7 @@ This is a supplement to the [main release page](index.html).
   errors.
 - [oil-runtime-errors](test/other.wwz/suite-logs/oil-runtime-errors.txt).  Oil language
   runtime errors.
-- [oil-large](test/other.wwz/suite-logs/oil-large.txt)
+- [ysh-large](test/other.wwz/suite-logs/ysh-large.txt)
 - [tea-large](test/other.wwz/suite-logs/tea-large.txt)
 - [arena](test/other.wwz/suite-logs/arena.txt).  Testing an invariant for the parser.
 - [osh-usage](test/other.wwz/suite-logs/osh-usage.txt).  Misc tests of the `osh` binary.

soil/worker.sh

@@ -194,7 +194,7 @@ line-counts      metrics/source-code.sh write-reports  _tmp/metrics/line-counts/
 preprocessed     metrics/source-code.sh preprocessed   _tmp/metrics/preprocessed/index.html
 mycpp-examples   mycpp/TEST.sh soil-run                _test/mycpp-examples.html
 parse-errors     test/parse-errors.sh soil-run-cpp     -
-oil-large        ysh/run.sh soil-run-cpp          -
+ysh-large        ysh/run.sh soil-run-cpp               -
 make-tar         devtools/release-native.sh make-tar   _release/oils-for-unix.tar
 test-tar         devtools/release-native.sh test-tar   -
 build-times      build/native.sh measure-build-times   -

ysh/run.sh

@@ -66,10 +66,10 @@ test-run-osh() {
   done
 }
 
-test-run-oil() {
+test-run-ysh() {
   ### Run programs with Oil / YSH
 
-  for prog in ysh/testdata/*.oil; do
+  for prog in ysh/testdata/*.ysh; do
     echo ---
     $OIL $prog all
   done
@@ -85,7 +85,7 @@ demo() {
 
   bin/osh ysh/testdata/hello.osh
 
-  bin/osh ysh/testdata/inline-function-calls.oil all
+  bin/osh ysh/testdata/inline-function-calls.ysh all
 
   bin/osh ysh/testdata/sigil-pairs.sh
 
@@ -112,7 +112,7 @@ soil-run-cpp() {
 
 run-for-release() {
   ### Used by devtools/release.sh.  Writes a file.
-  run-other-suite-for-release oil-large run-test-funcs
+  run-other-suite-for-release ysh-large run-test-funcs
 }
 
 "$@"