test(deep_causality_haft): Increased test coverage.

Signed-off-by: Marvin Hansen <[email protected]>

Author: marvin-hansen

deep_causality_haft/tests/mod.rs

@@ -12,3 +12,5 @@ mod hkt_tests;
 mod monad_effect_tests;
 #[cfg(test)]
 mod monad_tests;
+#[cfg(test)]
+mod utils_tests;