Add 7 new difftests and push constants support #594

Job	Run time
Android (ubuntu-24.04, aarch64-linux-android)	8m 35s
Test (ubuntu-24.04)	8m 25s
Test (windows-2022)	15m 17s
Test (macOS-latest)	10m 17s
Lint	6m 43s
Difftest (ubuntu-24.04)	11m 25s
Difftest (windows-2022)	11m 36s
Difftest (macOS-latest)	11m 42s
Compiletest (windows-2022)	14m 33s
Compiletest (ubuntu-24.04)	8m 8s
Compiletest (macOS-latest)	4m 48s
cargo-deny	56s
test_success	4s
	1h 52m 29s

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