Tests

Build before installing nextest #1768

Job	Run time
quick-test	2m 19s
branch-mutants (cargo)	20s
branch-mutants (nextest)	24s
test (macOS-latest, stable)	4m 47s
cargo-mutants (0, cargo)	6m 13s
test (macOS-latest, nightly)	7m 57s
pr-mutants	0s
cargo-mutants (1, cargo)	7m 16s
test (macOS-latest, 1.78)	6m 6s
tests-from-tarball (ubuntu-latest)	2m 19s
cargo-mutants (2, cargo)	6m 45s
test (ubuntu-latest, stable)	4m 19s
test (ubuntu-latest, nightly)	5m 13s
cargo-mutants (3, cargo)	10m 45s
test (ubuntu-latest, 1.78)	4m 53s
cargo-mutants (4, cargo)	9m 17s
test (windows-latest, stable)	7m 49s
cargo-mutants (5, cargo)	10m 36s
test (windows-latest, nightly)	10m 44s
cargo-mutants (6, cargo)	8m 20s
cargo-mutants (7, cargo)	11m 18s
test (windows-latest, 1.78)	8m 29s
cargo-mutants (8, cargo)	9m 39s
cargo-mutants (9, cargo)	7m 3s
	2h 32m 51s

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