Run s3-tests if the tests are changed (#6523)

Author: dagnir

.github/workflows/s3-regression-tests.yml

@@ -26,8 +26,8 @@ jobs:
           BASE_REF=${BASE_REF#refs/heads/}
           git fetch origin "$BASE_REF" --depth 1
           CHANGED_FILES=$(git diff origin/"$BASE_REF" --name-only)
-          if echo "$CHANGED_FILES" | grep -q -E '^core/|^services/s3/|^services-custom/s3-transfer-manager/|^http-client-spi/|^http-clients/'; then
-            echo "Detected changes in S3, HTTP client, or core modules"
+          if echo "$CHANGED_FILES" | grep -q -E '^core/|^services/s3/|^services-custom/s3-transfer-manager/|^http-client-spi/|^http-clients/|^test/s3-tests/'; then
+            echo "Detected changes in S3, HTTP client, core modules, or s3-tests"
             echo "has_s3_related_changes=true" >> $GITHUB_OUTPUT
           else
             echo "No changes detected in S3, HTTP client, or core modules"
@@ -158,4 +158,4 @@ jobs:
         with:
           project-name: aws-sdk-java-v2-s3-regression-tests
           env-vars-for-codebuild: REGRESSION_TEST,HAS_S3_CHANGES
-          hide-cloudwatch-logs: true
+          hide-cloudwatch-logs: true