MAGETWO-51296: [Github] Multiple calls to getCountryInfo result in a fatal error #3858

- Unit test fix.

Author: Hayder Sharhan

app/code/Magento/Directory/Test/Unit/Model/CountryInformationAcquirerTest.php

@@ -129,7 +129,6 @@ public function testGetCountryInfo()
             '',
             false
         );
-        $countryCollection->expects($this->once())->method('addCountryIdFilter')->willReturnSelf();
         $countryCollection->expects($this->once())->method('load')->willReturnSelf();
         $countryCollection->expects($this->once())->method('count')->willReturn(1);
         $countryCollection->expects($this->once())->method('getItemById')->with('AE')->willReturn($testCountryInfo);
@@ -174,7 +173,6 @@ public function testGetCountryInfoNotFound()
             '',
             false
         );
-        $countryCollection->expects($this->once())->method('addCountryIdFilter')->willReturnSelf();
         $countryCollection->expects($this->once())->method('load')->willReturnSelf();
         $countryCollection->expects($this->once())->method('count')->willReturn(0);