Use ring in test explicitly

Signed-off-by: Tomasz Pietrek <[email protected]>

.github/workflows/test.yml

@@ -69,7 +69,7 @@ jobs:
           cargo test --features slow_tests,websockets -- --nocapture
           # we do not want to create more matrices just for tls test.
           # It's easier to test it manually here.
-          cargo test tls --features=default -- --nocapture
+          cargo test tls --features=ring --no-default-features -- --nocapture
           cargo test tls --features=aws-lc-rs --no-default-features -- --nocapture
           cargo test tls --features=fips --no-default-features -- --nocapture