tests: relocate evaluator tests

t/evaluator/evaluate-basic.t

@@ -0,0 +1,35 @@
+use feature 'unicode_strings';
+use strict;
+use warnings;
+use Setup;
+use Test2::V0;
+
+my $ctx = test_context();
+
+my $builds = $ctx->makeAndEvaluateJobset(
+    expression => "basic.nix",
+    build => 1
+);
+
+subtest "Build: succeed_with_failed" => sub {
+    my $build = $builds->{"succeed_with_failed"};
+
+    is($build->finished, 1, "Build should be finished.");
+    is($build->buildstatus, 6, "succeeeded-but-failed should have buildstatus 6.");
+};
+
+subtest "Build: empty_dir" => sub {
+    my $build = $builds->{"empty_dir"};
+
+    is($build->finished, 1, "Build should be finished.");
+    is($build->buildstatus, 0, "Should have succeeded.");
+};
+
+subtest "Build: fails" => sub {
+    my $build = $builds->{"fails"};
+
+    is($build->finished, 1, "Build should be finished.");
+    is($build->buildstatus, 1, "Should have failed.");
+};
+
+done_testing;