saasName: Given a feature named 'null' should throw
version: '1.0'
day: 1
month: 1
year: 2024
currency: EUR
hasAnnualPayment: false
features:
  null:
    description: Key is null
    valueType: BOOLEAN
    defaultValue: false
    type: DOMAIN
usageLimits:
  limit:
    description: Limit for null feature
    valueType: NUMERIC
    defaultValue: 0
    unit: foo
    type: NON_RENEWABLE
    linkedFeatures:
      - null
plans:
  BASIC:
    description: Foo
    monthlyPrice: 10
    annualPrice: 15
    unit: user/month
    features: null
    usageLimits: null
addOns: null