diff --git a/modules/dev-tools/scripts/test.sh b/modules/dev-tools/scripts/test.sh
index 1b5b8dea..fa4e93a2 100755
--- a/modules/dev-tools/scripts/test.sh
+++ b/modules/dev-tools/scripts/test.sh
@@ -57,7 +57,7 @@ case $MODE in
 
   "node-debug")
     echo "Open chrome://inspect/#devices to attach debugger."
-    (set -x; node --inspect-brk $TEST_SCRIPT node)
+    (set -x; node $TEST_SCRIPT node-debug)
     ;;
 
   "dist")
diff --git a/modules/dev-tools/src/test.ts b/modules/dev-tools/src/test.ts
index eafc2535..d518faa3 100644
--- a/modules/dev-tools/src/test.ts
+++ b/modules/dev-tools/src/test.ts
@@ -43,6 +43,10 @@ switch (mode) {
     }
     break;
 
+  case 'node-debug':
+    runNodeTest(resolveNodeEntry('test'), '', {breakAndInspect: true});
+    break;
+
   case 'node':
   case 'dist':
     runNodeTest(resolveNodeEntry('test')); // Run the tests
@@ -100,16 +104,22 @@ function resolveBrowserEntry(key: string): string {
   throw new Error(`Cannot find entry point ${key}-browser in ocular config.`);
 }
 
-function runNodeTest(entry: string, command: string = '') {
+function runNodeTest(
+  entry: string,
+  command: string = '',
+  {breakAndInspect}: {breakAndInspect: boolean} = {breakAndInspect: false}
+) {
   // Save module alias
   fs.writeFileSync(
     resolve(ocularConfig.ocularPath, '.alias.json'),
     JSON.stringify(ocularConfig.aliases)
   );
 
+  const inspectBrk = breakAndInspect ? '--inspect-brk' : '';
+
   if (ocularConfig.esm) {
     execShellCommand(
-      `${command} node --import "${ocularConfig.ocularPath}/dist/helpers/esm-register.js" --es-module-specifier-resolution=node "${entry}"`
+      `${command} node ${inspectBrk} --import "${ocularConfig.ocularPath}/dist/helpers/esm-register.js" --es-module-specifier-resolution=node "${entry}"`
     );
   } else {
     execShellCommand(