Add emulated tests for the Coretime Interface calls to ensure sufficient weights #8237

Job	Run time
check-dependency-rules	9s
check-fail-ci	14s
check-markdown	16s
check-workspace	20s
set-image	9s
check-rust-feature-propagation	1m 55s
check-toml-format	1m 1s
check-umbrella	2m 13s
fmt	1m 6s
test-rust-features	1m 52s
All quick checks passed	1s
	9m 16s

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