Add script to benchmark the tests

scripts/README.md

@@ -6,10 +6,18 @@ and an own build machine.
 
 ## Description of scripts 
 
+Scripts should be ran from the root of the repository,
+for example:
+```
+$ scripts/clippy.sh
+```
+
 - `clippy.sh` runs `cargo clippy` for all Rust code in the project.
 
 - `deny.sh` runs `cargo deny` for all Rust code in the project.
 
+- `benchmark-tests.sh`
+
 - `../.github/workflows` contains jobs run by GitHub Actions.
 
 - `remote_tests_python.sh` rsyncs to a build machine and runs

scripts/benchmark-tests.sh

@@ -0,0 +1,8 @@
+#!/bin/sh
+# Benchmark the tests with `hyperfine`.
+
+set -e
+
+# `--tests` selects unit tests but not the documentation tests.
+# `--skip` arguments skip online tests.
+hyperfine --warmup 1 --min-runs 20 "cargo test --tests --release -- --skip test_oauth_from_mx --skip test_get_oauth2_token --skip oauth2::tests::test_get_oauth2_addr --skip configure::tests::test_no_panic_on_bad_credentials"