test: avoid taking reference to temporary in access_log mocks. (#2082)
test: avoid taking reference to temporary in access_log mocks. (#2082)

This showed up during the Google import.

Signed-off-by: Harvey Tuch <c185081708e02336640916420d0c772668570de5@google.com>
lyft/envoy,lizan/envoy,sebrandon1/envoy,istio/envoy,envoyproxy/envoy,rlazarus/envoy,envoyproxy/envoy-wasm,envoyproxy/envoy,dnoe/envoy,envoyproxy/envoy,rlazarus/envoy,envoyproxy/envoy-wasm,istio/envoy,jrajahalme/envoy,dnoe/envoy,lyft/envoy,envoyproxy/envoy,envoyproxy/envoy-wasm,eklitzke/envoy,envoyproxy/envoy-wasm,lyft/envoy,dnoe/envoy,craffert0/envoy,lyft/envoy,sebrandon1/envoy,dnoe/envoy,amalgam8/envoy,envoyproxy/envoy,sebrandon1/envoy,lizan/envoy,sebrandon1/envoy,eklitzke/envoy,jrajahalme/envoy,lizan/envoy,eklitzke/envoy,craffert0/envoy,lyft/envoy,craffert0/envoy,lizan/envoy,envoyproxy/envoy-wasm,lizan/envoy,envoyproxy/envoy,envoyproxy/envoy-wasm,dnoe/envoy,fengli79/envoy,fengli79/envoy,eklitzke/envoy,envoyproxy/envoy,envoyproxy/envoy,amalgam8/envoy,jrajahalme/envoy,istio/envoy,fengli79/envoy,istio/envoy,jrajahalme/envoy,craffert0/envoy,lizan/envoy,envoyproxy/envoy,amalgam8/envoy,fengli79/envoy,envoyproxy/envoy-wasm,rlazarus/envoy,istio/envoy,rlazarus/envoy,lyft/envoy,istio/envoy,eklitzke/envoy,envoyproxy/envoy,envoyproxy/envoy,amalgam8/envoy,eklitzke/envoy,sebrandon1/envoy,jrajahalme/envoy,envoyproxy/envoy,istio/envoy,jrajahalme/envoy