Add FLASH tests to CI

Author: JohnSully

build.yaml

@@ -22,6 +22,12 @@ machamp:
         # https://github.sc-corp.net/Snapchat/img/tree/master/keydb/ubuntu-20-04
         builder_image: us.gcr.io/snapchat-build-artifacts/prod/snapchat/img/keydb/keydb-ubuntu-20-04@sha256:cf869a3f5d1de1e1d976bb906689c37b7031938eb68661b844a38c532f27248c
         command: ./runtest --clients 4 --verbose --tls --skipunit unit/memefficiency
+      tests-with-flash:
+        type: cmd
+        parent: make-build
+        # https://github.sc-corp.net/Snapchat/img/tree/master/keydb/ubuntu-20-04
+        builder_image: us.gcr.io/snapchat-build-artifacts/prod/snapchat/img/keydb/keydb-ubuntu-20-04@sha256:cf869a3f5d1de1e1d976bb906689c37b7031938eb68661b844a38c532f27248c
+        command: ./runtest --verbose --skipunit unit/memefficiency --flash
       cluster-test:
         type: cmd
         parent: make-build