Rust

Minor: Improve arrow_statistics tests #3375

Job	Run time
build with wasm-pack	2m 21s
Check cargo fmt	38s
cargo test (macos)	9m 51s
cargo test (macos-aarch64)	17m 20s
Verify Vendored Code	50s
cargo test (win64)	33m 1s
cargo check	7m 58s
Verify MSRV (Min Supported Rust Version)	6m 24s
cargo test (amd64)	9m 13s
cargo test doc (amd64)	12m 25s
cargo doc	3m 53s
cargo examples (amd64)	11m 51s
cargo test datafusion-cli (amd64)	3m 36s
verify benchmark results (amd64)	10m 47s
Run sqllogictest with Postgres runner	3m 26s
check Cargo.toml formatting	2m 47s
clippy	4m 59s
check configs.md is up-to-date	2m 37s
cargo test hash collisions (amd64)	8m 49s
cargo test pyarrow (amd64)	2m 42s
	2h 35m 28s

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