Rust

chore: remove unnecessary test helpers #352

Job	Run time
cargo check	12m 0s
Check License Header	2m 6s
build with wasm-pack	2m 53s
cargo test (macos)	13m 22s
Check cargo fmt	45s
cargo test (macos-aarch64)	14m 44s
Verify Vendored Code	59s
Verify MSRV (Min Supported Rust Version)	9m 27s
cargo test (win64)	1h 9m 52s
cargo test datafusion-cli (amd64)	4m 16s
cargo examples (amd64)	13m 45s
clippy	6m 16s
check Cargo.toml formatting	2m 57s
cargo test hash collisions (amd64)	17m 36s
cargo doc	4m 45s
cargo test (amd64)	11m 24s
cargo test doc (amd64)	16m 15s
cargo test pyarrow (amd64)	3m 1s
Run sqllogictest with Postgres runner	3m 51s
verify benchmark results (amd64)	13m 7s
check configs.md and ***_functions.md is up-to-date	3m 5s
	3h 46m 26s

Provide feedback