MAGETWO-71591: Translations from theme do not work(Authorize.net) - for 2.1

Author: Oleksandr Dubovyk

dev/tests/integration/testsuite/Magento/Translation/Model/_files/Magento/Catalog/i18n/en_US.csv

@@ -2,3 +2,4 @@
 "Some non-translated value for Magento_Catalog","Translation for some value for Magento_Catalog"
 "Another non-translated value for Magento_Catalog","Translation for another value for Magento_Catalog"
 "Text with different translation on different modules","Text translation that was last loaded"
+"Magento_Catalog module phrase will be translated","Magento_Catalog module translated phrase"

dev/tests/integration/testsuite/Magento/Translation/Model/_files/Magento/Store/i18n/en_US.csv

@@ -1,3 +1,4 @@
 "%s","%s"
 "Original value for Magento_Store module","Translated value for Magento_Store module"
 "Text with different translation on different modules","Text translation that was last loaded"
+"Magento_Store module phrase will be translated","Magento_Store module translated phrase"

dev/tests/integration/testsuite/Magento/Translation/Model/_files/Magento/design/Magento/theme/i18n/en_US.csv

@@ -0,0 +1,3 @@
+"Theme phrase will be translated","Theme phrase is translated"
+"Magento_Catalog module phrase will be override by theme translation","Magento_Catalog module phrase is override by theme translation"
+"Magento_Store module phrase will be override by theme translation","Magento_Store module phrase is override by theme translation"