diff --git a/tools/internal_ci/linux/grpc_fuzzer_client.cfg b/tools/internal_ci/linux/grpc_fuzzer_client.cfg
index 557dc0b390d3881cc85e7c1223dc985bb7d82d39..8251ff8ef2962c74e35d1a58a62efd86d2b08caf 100644
--- a/tools/internal_ci/linux/grpc_fuzzer_client.cfg
+++ b/tools/internal_ci/linux/grpc_fuzzer_client.cfg
@@ -33,3 +33,8 @@
 # Location of the continuous shell script in repository.
 build_file: "grpc/tools/internal_ci/linux/grpc_fuzzer_client.sh"
 timeout_mins: 1440  # 24 hours is the maximum allowed value
+action {
+  define_artifacts {
+    regex: "grpc/fuzzer_output/**"
+  }
+}
diff --git a/tools/internal_ci/linux/grpc_master.cfg b/tools/internal_ci/linux/grpc_master.cfg
index 3addb47bbd9574a85c8f1f1d739cccd385c55069..d2edbdab930eaca1d42293b2cda1e9537738e139 100644
--- a/tools/internal_ci/linux/grpc_master.cfg
+++ b/tools/internal_ci/linux/grpc_master.cfg
@@ -33,3 +33,8 @@
 # Location of the continuous shell script in repository.
 build_file: "grpc/tools/internal_ci/linux/grpc_master.sh"
 timeout_mins: 60
+action {
+  define_artifacts {
+    regex: "grpc/*sponge_log.xml"
+  }
+}
diff --git a/tools/internal_ci/linux/grpc_master.sh b/tools/internal_ci/linux/grpc_master.sh
index 6c7e2c2cd94fcb7dafeb827661ea5c3f8943d8ea..ea77d1130585507284f8b01c38211e16d6ec0cad 100755
--- a/tools/internal_ci/linux/grpc_master.sh
+++ b/tools/internal_ci/linux/grpc_master.sh
@@ -42,7 +42,7 @@ docker --version || true
 
 git submodule update --init
 
-tools/run_tests/run_tests.py -l c || FAILED="true"
+tools/run_tests/run_tests.py -l c -t -x sponge_log.xml || FAILED="true"
 
 # kill port_server.py to prevent the build from hanging
 ps aux | grep port_server\\.py | awk '{print $2}' | xargs kill -9