Detect when a unit test child process crashes (RIPD-1592):

When a test suite starts and ends, it informs the parent process. If the parent
has received a start message without a matching end message it reports that a
child may have crashed in that suite.

src/test/unity/basics_test_unity.cpp

@@ -22,6 +22,7 @@
 #include <test/basics/Buffer_test.cpp>
 #include <test/basics/CheckLibraryVersions_test.cpp>
 #include <test/basics/contract_test.cpp>
+#include <test/basics/DetectCrash_test.cpp>
 #include <test/basics/hardened_hash_test.cpp>
 #include <test/basics/KeyCache_test.cpp>
 #include <test/basics/mulDiv_test.cpp>