diff --git a/modules/sdk-core/.mocharc.js b/modules/sdk-core/.mocharc.js
index 2a36945feb..7337e3604b 100644
--- a/modules/sdk-core/.mocharc.js
+++ b/modules/sdk-core/.mocharc.js
@@ -6,5 +6,5 @@ module.exports = {
   reporter: 'min',
   'reporter-option': ['cdn=true', 'json=false'],
   exit: true,
-  spec: ['test/unit/*.ts'],
+  extension: ['.js', '.ts'],
 };
diff --git a/modules/sdk-core/package.json b/modules/sdk-core/package.json
index 9a05a9aee4..2cdaaa06b6 100644
--- a/modules/sdk-core/package.json
+++ b/modules/sdk-core/package.json
@@ -6,7 +6,7 @@
   "types": "./dist/src/index.d.ts",
   "scripts": {
     "test": "yarn unit-test",
-    "unit-test": "nyc -- mocha",
+    "unit-test": "nyc -- mocha --recursive test",
     "build": "yarn tsc --build --incremental --verbose .",
     "fmt": "prettier --write .",
     "check-fmt": "prettier --check .",