title: Magento 2 : Product Price on website does not change
body: <p>Preconditions</p>
  
  <pre><code>Magento version 2.2.4
  </code></pre>
  
  <p>Steps to reproduce</p>
  
  <pre><code>Add 1 configurable product
  While adding the product add 2 new configurable attributes (Model , Thickness both of type Textual Swatch)
  Add 3 simple products for this configurable product
  Each product has 3 Swatches color, Thickness and model.
  Price of product different for three different model whereas color and thickness is same across all three prodcuts
  </code></pre>
  
  <p>Expected result</p>
  
  <pre><code>On product detail page it should change the prices of the product when clicking on model only
  </code></pre>
  
  <p>Actual result</p>
  
  <pre><code>On product detail page it changes prices of product when Model + Color + Thickness is clicked, else it keeps showing 1 price for all
  </code></pre>