bors 9a7fe2c23b Auto merge of #9195 - guswynn:test_name, r=ehuss
Make it more clear which module is being tested when running cargo test

I recently asked in zulip if this is a good idea, as I find it hard to find the module thats being tested from the complex path with the hash.

Output of `cargo test`:
```
2021-02-21 13:29:33 I > ~/repos/cargo/target/debug/cargo test
    Finished test [unoptimized + debuginfo] target(s) in 0.42s
     Running unittests (target/debug/deps/test_tests-759130ea61f71571)

running 1 test
test tests::unit_test ... ok

test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in
0.00s

     Running tests2/lib.rs (target/debug/deps/integration_tests-6b7f9fcd1721f083)

running 2 tests
test tests2_lib ... ok
test second_test::tests2_second ... ok

test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in
0.00s

     Running tests/lib.rs (target/debug/deps/lib-d2be6d29597c2790)

running 2 tests
test second_test::tests_i_am_run_twice ... ok
test tests_lib ... ok

test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in
0.00s
...
```
2021-02-24 03:59:28 +00:00
..
2020-08-10 11:29:28 -07:00