Add tests for IMP mock #848
Description
Context
The mock.rs and tests.rs in IMP mock pallet are literally empty.
We'd need at least some basic tests for it.
✔️ Please set appropriate labels and assignees if applicable.
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The mock.rs and tests.rs in IMP mock pallet are literally empty.
We'd need at least some basic tests for it.
✔️ Please set appropriate labels and assignees if applicable.