test: fix typos and make cleanups in router tests (#12094)
test: fix typos and make cleanups in router tests (#12094)

test: fix typos and make cleanups in router tests
Risk Level: low
Testing: bazel test //test/...
Docs Changes: n/a
Release Notes: n/a

Signed-off-by: Martin Matusiak <805e7797cf7f6cadfe7e6285068651d2ddf767e1@gmail.com>
lizan/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,lizan/envoy,envoyproxy/envoy,envoyproxy/envoy,lyft/envoy,envoyproxy/envoy-wasm,lizan/envoy,envoyproxy/envoy,envoyproxy/envoy,lizan/envoy,lizan/envoy,lyft/envoy,envoyproxy/envoy-wasm,envoyproxy/envoy,lyft/envoy,lyft/envoy,envoyproxy/envoy,envoyproxy/envoy-wasm,envoyproxy/envoy-wasm,lyft/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy-wasm,envoyproxy/envoy,envoyproxy/envoy-wasm,lizan/envoy,lyft/envoy,envoyproxy/envoy-wasm