Fix dependency errors

Author: Ives van Hoorne

src/sandbox/errors/dependency-not-found-error.js

@@ -4,12 +4,13 @@ import SandboxError from './sandbox-error';
 
 export default class DependencyNotFoundError extends SandboxError {
   constructor(dependencyName: string) {
+    super();
     const [root, second] = dependencyName.split('/');
 
     // If the package starts with a @ it's scoped, we should add the second
     // part of the name in that case
     const parsedName = root.startsWith('@') ? `${root}/${second}` : root;
-    const suggestions = [
+    this.suggestions = [
       {
         title: `Add ${parsedName} as dependency`,
         action: () => {
@@ -18,8 +19,6 @@ export default class DependencyNotFoundError extends SandboxError {
       },
     ];
 
-    super(suggestions);
-
     this.name = 'DependencyNotFoundError';
     this.message = `Could not find dependency: '${parsedName}'`;
   }