Added two more tests: one where a package contains a library and a binary and another where it only contains a binary.
Added two more tests: one where a package contains a library and a binary and another where it only contains a binary.

tsurai/cargo,tshepang/cargo,rust-lang/cargo,vojtechkral/cargo,rustyhorde/cargo,nipunn1313/cargo,tshepang/cargo,tshepang/cargo,rust-lang/cargo,eminence/cargo,vojtechkral/cargo,rustyhorde/cargo,rustyhorde/cargo,rustyhorde/cargo,nipunn1313/cargo,rust-lang/cargo,eminence/cargo,tsurai/cargo,rust-lang/cargo,nipunn1313/cargo,eminence/cargo,tsurai/cargo,nipunn1313/cargo,tshepang/cargo,vojtechkral/cargo,eminence/cargo,tsurai/cargo,tsurai/cargo,vojtechkral/cargo