Added big-endian support into TestByteOrder (#22353)
Added big-endian support into TestByteOrder (#22353)

Risk level: Low
Testing: Test refactor

Signed-off-by: Konstantin Maksimov <4f6a17a48eb1aaa5ef91d05ad6e4856ef4263a01@ibm.com>
envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy