helm-unittest issue 471 demo repo

TL;DR

./run-test.sh

Got

anArray:
- null
- attribute: new attribute1

Expect

anArray:
- name: value0
  attribute: attribute0
- name: value1
  attribute: new attribute1

Name		Name	Last commit message	Last commit date
Latest commit History 2 Commits
templates		templates
tests		tests
.gitignore		.gitignore
.helmignore		.helmignore
Chart.yaml		Chart.yaml
README.md		README.md
run-test.sh		run-test.sh
values.yaml		values.yaml