backport to 1.16: test: avoid use after free in oauth_integration_test (#14103)#14127

antoniovicente merged 1 commit intoenvoyproxy:release/v1.16envoyproxy/envoy:release/v1.16from

cpakulski:rel1.16/14103cpakulski/envoy:rel1.16/14103Copy head branch name to clipboard