Fix test fetching for examples (#19237)

* Fix test fetching for examples

* Fake example modif

* Debug statements

* Typo

* You need to persist the file...

* Revert change in example

* Remove debug statements

.circleci/config.yml

@@ -83,11 +83,21 @@ jobs:
                 else
                     touch test_preparation/test_list.txt
                 fi
+            - run: python utils/tests_fetcher.py --filters tests examples | tee examples_tests_fetched_summary.txt
+            - store_artifacts:
+                path: ~/transformers/examples_tests_fetched_summary.txt
+            - run: |
+                if [ -f test_list.txt ]; then
+                    mv test_list.txt test_preparation/examples_test_list.txt
+                else
+                    touch test_preparation/examples_test_list.txt
+                fi
 
             - persist_to_workspace:
                 root: test_preparation/
                 paths:
                     test_list.txt
+                    examples_test_list.txt
 
     # To run all tests for the nightly build
     fetch_all_tests:
@@ -99,6 +109,7 @@ jobs:
             - run: |
                   mkdir test_preparation
                   echo "tests" > test_preparation/test_list.txt
+                  echo "tests" > test_preparation/examples_test_list.txt
 
             - persist_to_workspace:
                   root: test_preparation/
@@ -426,7 +437,7 @@ jobs:
             - attach_workspace:
                 at: ~/transformers/test_preparation
             - run: |
-                if [ ! -s test_preparation/test_list.txt ]; then
+                if [ ! -s test_preparation/examples_test_list.txt ]; then
                     echo "No tests to run, exiting early!"
                     circleci-agent step halt
                 fi
@@ -463,7 +474,7 @@ jobs:
             - attach_workspace:
                 at: ~/transformers/test_preparation
             - run: |
-                if [ ! -s test_preparation/test_list.txt ]; then
+                if [ ! -s test_preparation/examples_test_list.txt ]; then
                     echo "No tests to run, exiting early!"
                     circleci-agent step halt
                 fi
@@ -499,7 +510,7 @@ jobs:
             - attach_workspace:
                 at: ~/transformers/test_preparation
             - run: |
-                if [ ! -s test_preparation/test_list.txt ]; then
+                if [ ! -s test_preparation/examples_test_list.txt ]; then
                     echo "No tests to run, exiting early!"
                     circleci-agent step halt
                 fi