fuzz test: Use in-memory files to prevent conflicts. (#21372)
fuzz test: Use in-memory files to prevent conflicts. (#21372)

Signed-off-by: Andre Vehreschild <1ad767c355605fc1e3be747183e42a3e09eb51da@x41-dsec.de>
envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy