MAGETWO-57007: [Backport] - [GitHub] Tier price of a simple/virtual product does not appear on a configurable product page #3759 - for 2.1

Author: OlgaVasyltsun

app/code/Magento/ConfigurableProduct/Block/Product/View/Type/Configurable.php

@@ -217,7 +217,7 @@ protected function getOptionPrices()
         foreach ($this->getAllowProducts() as $product) {
             $tierPrices = [];
             $priceInfo = $product->getPriceInfo();
-            $tierPriceModel =  $priceInfo->getPrice('tier_price');
+            $tierPriceModel = $priceInfo->getPrice('tier_price');
             $tierPricesList = $tierPriceModel->getTierPriceList();
             foreach ($tierPricesList as $tierPrice) {
                 $tierPrices[] = [

app/code/Magento/ConfigurableProduct/Pricing/Render/TierPriceBox.php

@@ -7,8 +7,6 @@
 
 /**
  * Responsible for displaying tier price box on configurable product page.
- *
- * @package Magento\ConfigurableProduct\Pricing\Render
  */
 class TierPriceBox extends FinalPriceBox
 {

dev/tests/functional/tests/app/Magento/ConfigurableProduct/Test/Block/Product/View/ConfigurableOptions.php

@@ -41,6 +41,11 @@ class ConfigurableOptions extends CustomOptions
      */
     private $tierPricesSelector = '.prices-tier li';
 
+    /**
+     * Product info main block.
+     *
+     * @var string
+     */
     private $mainBlockSelector = '.product-info-main';
 
     /**
@@ -182,7 +187,7 @@ protected function selectOption($attributeTitle, $optionTitle)
      * @param array $attributesData
      * @return void
      */
-    protected function chooseOptions($variationOptions, $attributesData)
+    protected function chooseOptions(array $variationOptions, array $attributesData)
     {
         //Select all options specified in variation
         foreach ($variationOptions as $variationSelection) {