add docstrings compiler tests #5451

Job	Run time
build-rewatch (macos-13, x86_64-apple-darwin)	24s
build-rewatch (macos-14, aarch64-apple-darwin)	14s
build-compiler (ubuntu-latest, ocaml-variants.5.2.1+options,ocaml-option-static, true, true, true...	4m 4s
build-rewatch (ubuntu-latest, x86_64-unknown-linux-musl)	11s
build-compiler (buildjet-2vcpu-ubuntu-2204-arm, ocaml-variants.5.2.1+options,ocaml-option-static,...	5m 25s
build-rewatch (buildjet-2vcpu-ubuntu-2204-arm, aarch64-unknown-linux-musl)	13s
build-compiler (macos-13, 5.2.1, true)	38m 43s
build-rewatch (windows-latest, x86_64-pc-windows-gnu)	32s
build-compiler (macos-14, 5.2.1, true)	38m 44s
build-compiler (windows-latest, 5.2.1, true)	3m 14s
build-compiler (ubuntu-latest, ocaml-variants.5.0.0+options,ocaml-option-static)	3m 37s
build-compiler (ubuntu-latest, ocaml-variants.4.14.2+options,ocaml-option-static)	3m 7s
build-compiler (ubuntu-latest, ocaml-variants.4.13.0+options,ocaml-option-static)	3m 26s
package	1s
installationTest	1s
publish	1s
	1h 41m 57s

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