1 files changed, 4 insertions, 0 deletions
diff --git a/test/buildtool/execution_engine/executor/executor.test.cpp b/test/buildtool/execution_engine/executor/executor.test.cpp
index 685e4d47..5442aa21 100644
--- a/test/buildtool/execution_engine/executor/executor.test.cpp
+++ b/test/buildtool/execution_engine/executor/executor.test.cpp
@@ -157,6 +157,10 @@ class TestApi : public IExecutionApi {
         // irrelevant for testing though.
         return unused.empty();  // not needed by Executor
     }
+    auto RetrieveToMemory(Artifact::ObjectInfo const& /*artifact_info*/)
+        -> std::optional<std::string> override {
+        return std::nullopt;  // not needed by Executor
+    }
     auto Upload(BlobContainer const& blobs, bool /*unused*/) noexcept
         -> bool final {
         return std::all_of(