tests: Added properly working custom unit tests

tests/algorithms/source/hash.cpp

@@ -1,5 +1,11 @@
-#define CATCH_CONFIG_MAIN
-#include <catch2/catch.hpp>
-
 #include <hex/helpers/crypto.hpp>
 #include "test_provider.hpp"
+#include "tests.hpp"
+
+TEST_SEQUENCE("TestSucceeding") {
+    TEST_SUCCESS();
+};
+
+TEST_SEQUENCE("TestFailing", FAILING) {
+    TEST_FAIL();
+};