Add 7 new difftests and push constants support #666

Job	Run time
Android (ubuntu-24.04, aarch64-linux-android)	7m 52s
Test (macOS-latest)	11m 41s
Test (windows-2022)	15m 24s
Test (ubuntu-24.04)	8m 14s
Difftest (windows-2022)	23m 14s
Compiletest (ubuntu-24.04)	8m 50s
Compiletest (windows-2022)	16m 15s
Difftest (macOS-latest)	11m 53s
Lint	6m 22s
Difftest (ubuntu-24.04)	13m 1s
Compiletest (macOS-latest)	6m 21s
cargo-deny	1m 7s
test_success	2s
	2h 10m 16s

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