TMP: upload the corpus to the artifacts for local reproduction

Author: oetr

.github/workflows/run-all-tests-pr.yml

@@ -70,7 +70,9 @@ jobs:
       - name: Copy Bazel log
         if: always()
         shell: bash
-        run: cp "$(readlink bazel-out)"/../../../java.log* .
+        run: |
+          cp "$(readlink bazel-out)"/../../../java.log* .
+          cp selffuzz/src/test/resources/.corpus ./corpus_backup -r
 
       - name: Upload test logs
         if: always()
@@ -81,3 +83,4 @@ jobs:
           path: |
             bazel-testlogs*/**/test.log
             java.log*
+            corpus_backup/**