cli

tests: add test for complex gaps #41

Job	Run time
Run lints	4m 30s
Run unit tests	6m 45s
Build CLI (aarch64-apple-darwin)	4m 16s
Build CLI (aarch64-unknown-linux-gnu)	4m 46s
Build CLI (aarch64-unknown-linux-musl)	4m 30s
Build CLI (x86_64-apple-darwin)	4m 18s
Build CLI (x86_64-pc-windows-gnu)	4m 28s
Build CLI (x86_64-unknown-linux-gnu)	4m 38s
Build CLI (x86_64-unknown-linux-musl)	4m 27s
Compat test (x86_64-apple-darwin)	9s
Compat test (x86_64-pc-windows-gnu)	9s
Compat test (aarch64-apple-darwin)	7s
Compat test (x86_64-unknown-linux-gnu)	1m 26s
Compat test (x86_64-unknown-linux-musl)	30s
	44m 59s

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