tests: converted to Makefiles

tests/bonsai/true.mk

@@ -0,0 +1,19 @@
+#!/bin/sh
+# Copyright (c) 2024 DTB <trinity@trinity.moe>
+# Copyright (c) 2024 Emma Tebibyte <emma@tebibyte.media>
+# SPDX-License-Identifier: FSFAP
+#
+# Copying and distribution of this file, with or without modification, are
+# permitted in any medium without royalty provided the copyright notice and this
+# notice are preserved.  This file is offered as-is, without any warranty.
+
+.PHONY: true_tests
+true_tests: true_test
+
+.PHONY: true_help
+true_help: $(BIN)/true
+	$(BIN)/true -h
+
+.PHONY: true_test
+true_test: $(BIN)/true
+	$(BIN)/true