fix: Add monitor test #402

Job	Run time
Check lib (x86_64-unknown-linux-gnu)	34s
Check lib (aarch64-unknown-linux-gnu)	2m 1s
Check lib (armv7-unknown-linux-gnueabihf)	1m 38s
Check (x86_64-apple-darwin)	46s
Check (x86_64-unknown-linux-gnu)	44s
Check (x86_64-unknown-linux-musl)	34s
Clippy (x86_64-unknown-linux-gnu)	36s
Check (x86_64-pc-windows-msvc)	3m 48s
Clippy (aarch64-unknown-linux-gnu)	1m 33s
Check MSRV (x86_64-unknown-linux-gnu)	45s
Check (aarch64-unknown-linux-gnu)	1m 48s
Clippy (armv7-unknown-linux-gnueabihf)	1m 30s
Check MSRV (aarch64-unknown-linux-gnu)	2m 21s
Check (armv7-unknown-linux-gnueabihf)	1m 47s
Check MSRV (armv7-unknown-linux-gnueabihf)	1m 47s
Rustfmt	10s
Unit Tests (x86_64-unknown-linux-gnu)	1m 18s
Unit Tests (aarch64-unknown-linux-gnu)	1m 47s
Unit Tests (armv7-unknown-linux-gnueabihf)	1m 32s
	26m 59s

Provide feedback