fix tests

Makefile

@@ -49,9 +49,13 @@ format-check: ## Checks if format is correct
 watch: ## Watch for the filesystem and rebuild on every change
 	$(DUNE) build --watch
 
+.PHONY: test
+test: ## Run tests
+	$(DUNE) test
+
 .PHONY: coverage
 coverage: ## Generate coverage report in _coverage folder
 	$(DUNE) clean
 	BISECT_ENABLE=yes $(DUNE) build
-	$(DUNE) runtest || true # Jest will fail because dune & melange produce duplicated snapshots files with runtime_deps so it marks them as obsolete
+	$(DUNE) runtest
 	opam exec -- bisect-ppx-report html

jest.config.js

@@ -1,5 +1,8 @@
 module.exports = {
     rootDir: "./_build/default/",
     testMatch: ["**/*_test.js"],
+    // ignoring these, are they are just temporary copies from runtime_deps, the final ones are in
+    // the path with melange.emit target, e.g. _build/default/dom/test/test/dom/test/__snapshots__
+    modulePathIgnorePatterns: ["react/test/__snapshots__", "dom/test/__snapshots__"]
 };