Minor: Improve `arrow_statistics` tests #27932

Job	Run time
cargo check	4m 14s
cargo check	4m 14s
build with wasm-pack	2m 22s
build with wasm-pack	2m 22s
cargo test (macos)	24m 21s
cargo test (macos)	24m 21s
cargo test (macos-aarch64)	13m 35s
cargo test (macos-aarch64)	13m 35s
cargo test (win64)	33m 14s
cargo test (win64)	33m 14s
Check cargo fmt	37s
Check cargo fmt	37s
Verify MSRV (Min Supported Rust Version)	6m 50s
Verify MSRV (Min Supported Rust Version)	6m 50s
Verify Vendored Code	55s
Verify Vendored Code	55s
cargo test (amd64)	9m 16s
cargo test (amd64)	9m 16s
cargo test datafusion-cli (amd64)	3m 33s
cargo test datafusion-cli (amd64)	3m 33s
cargo doc	3m 41s
cargo doc	3m 41s
clippy	5m 24s
clippy	5m 24s
cargo test doc (amd64)	12m 14s
cargo test doc (amd64)	12m 14s
cargo examples (amd64)	11m 53s
cargo examples (amd64)	11m 53s
Run sqllogictest with Postgres runner	3m 19s
Run sqllogictest with Postgres runner	3m 19s
cargo test pyarrow (amd64)	2m 43s
cargo test pyarrow (amd64)	2m 43s
verify benchmark results (amd64)	10m 36s
verify benchmark results (amd64)	10m 36s
check Cargo.toml formatting	45s
check Cargo.toml formatting	2m 52s
check configs.md is up-to-date	2m 49s
check configs.md is up-to-date	2m 49s
cargo test hash collisions (amd64)	9m 2s
cargo test hash collisions (amd64)	9m 2s
	5h 24m 53s

Provide feedback