Disable flaky test reported in #6226 #4198

Job	Run time
preflight / preflight	42s
preflight / ci-versions	59s
test-full-crypto-feature	2m 47s
test-frame-ui	46m 18s
cargo-check-benches (master)	20m 15s
cargo-check-each-crate (1)	19m 3s
cargo-check-benches (current)	20m 18s
cargo-check-each-crate (2)	18m 56s
cargo-check-each-crate (3)	6m 57s
cargo-check-all-crate-macos	10m 51s
cargo-check-each-crate (4)	16m 55s
test-node-metrics	8m 11s
cargo-check-each-crate (5)	23m 40s
cargo-check-each-crate (6)	14m 46s
cargo-check-each-crate (7)	27m 22s
test-frame-examples-compile-to-wasm	3m 2s
test-deterministic-wasm	6m 22s
check-tracing	2m 28s
check-metadata-hash	6m 12s
node-bench-regression-guard	15s
All test misc tests passed	1s
	4h 16m 20s

Provide feedback