try with exec sh

node_modules/before-after-hook/lib/remove.js

@@ -0,0 +1,17 @@
+module.exports = removeHook
+
+function removeHook (state, name, method) {
+  if (!state.registry[name]) {
+    return
+  }
+
+  var index = state.registry[name]
+    .map(function (registered) { return registered.orig })
+    .indexOf(method)
+
+  if (index === -1) {
+    return
+  }
+
+  state.registry[name].splice(index, 1)
+}