Add emulated tests for the Coretime Interface calls to ensure sufficient weights #594

Job	Run time
set-image	9s
test-frame-ui	31m 26s
test-full-crypto-feature	2m 25s
cargo-check-benches (master)	25m 58s
cargo-check-each-crate (1)	14m 56s
cargo-check-benches (current)	26m 15s
cargo-check-each-crate (2)	16m 51s
test-node-metrics	8m 20s
cargo-check-each-crate (3)	4m 49s
cargo-check-each-crate (4)	13m 24s
cargo-check-each-crate (5)	20m 26s
cargo-check-each-crate (6)	13m 37s
cargo-check-each-crate (7)	27m 15s
test-frame-examples-compile-to-wasm	2m 55s
test-deterministic-wasm	6m 23s
check-tracing	2m 11s
check-metadata-hash	5m 36s
cargo-hfuzz	9m 11s
node-bench-regression-guard	23s
All test misc tests passed	1s
	3h 52m 31s

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