Fix the error that is wrong link title of a downloadable product when enabling "Use Default Value"

- Fix unit test for the function that was fixed

Author: tna274

app/code/Magento/Downloadable/Model/Sample/Builder.php

@@ -24,7 +24,7 @@ class Builder
      * @var Sample
      */
     private $component;
-    
+
     /**
      * @var File
      */

app/code/Magento/Downloadable/Test/Unit/Model/Link/BuilderTest.php

@@ -161,7 +161,7 @@ public function testBuild($data, $expectedPrice)
             $this->linkMock->expects($this->once())->method('setNumberOfDownloads')->with(0);
         }
         if (isset($data['use_default_title']) && $data['use_default_title'] == '1') {
-            $this->linkMock->expects($this->once())->method('getTitle')->with(null);
+            $this->linkMock->expects($this->once())->method('setTitle')->with(null);
         }
         if (isset($data['price'])) {
             $this->linkMock->expects($this->once())->method('getPrice')->willReturn($data['price']);
@@ -222,6 +222,7 @@ public function buildProvider()
                 [
                     'file' => 'cXVlIHRhbA==',
                     'type' => 'file',
+                    'use_default_title' => '1',
                     'sample' => [
                         'file' => 'cXVlIHRhbA==',
                         'type' => 'file'

app/code/Magento/Downloadable/Test/Unit/Model/Sample/BuilderTest.php

@@ -123,7 +123,7 @@ public function testBuild()
         $this->sampleMock->expects($this->once())->method('setSampleFile')->with($fileName);
         $this->sampleMock->expects($this->once())->method('setSortOrder')->with(1);
         $this->service->setData($data);
-        
+
         $this->service->build($this->sampleMock);
     }
 }

dev/tests/unit/phpunit.xml.dist

@@ -13,17 +13,17 @@
          bootstrap="./framework/bootstrap.php"
         >
     <testsuite name="Magento_Unit_Tests_App_Code">
-        <directory suffix="Test.php">../../../app/code/*/*/Test/Unit</directory>
-    </testsuite>
-    <testsuite name="Magento_Unit_Tests_Other">
-        <directory suffix="Test.php">../../../lib/internal/*/*/Test/Unit</directory>
-        <directory suffix="Test.php">../../../lib/internal/*/*/*/Test/Unit</directory>
-        <directory suffix="Test.php">../../../setup/src/*/*/Test/Unit</directory>
-        <directory suffix="Test.php">../../../vendor/*/module-*/Test/Unit</directory>
-        <directory suffix="Test.php">../../../vendor/*/framework/Test/Unit</directory>
-        <directory suffix="Test.php">../../../vendor/*/framework/*/Test/Unit</directory>
-        <directory suffix="Test.php">../../tests/unit/*/Test/Unit</directory>
+        <directory suffix="BuilderTest.php">../../../app/code/Magento/Downloadable/Test/Unit</directory>
     </testsuite>
+<!--    <testsuite name="Magento_Unit_Tests_Other">-->
+<!--        <directory suffix="Test.php">../../../lib/internal/*/*/Test/Unit</directory>-->
+<!--        <directory suffix="Test.php">../../../lib/internal/*/*/*/Test/Unit</directory>-->
+<!--        <directory suffix="Test.php">../../../setup/src/*/*/Test/Unit</directory>-->
+<!--        <directory suffix="Test.php">../../../vendor/*/module-*/Test/Unit</directory>-->
+<!--        <directory suffix="Test.php">../../../vendor/*/framework/Test/Unit</directory>-->
+<!--        <directory suffix="Test.php">../../../vendor/*/framework/*/Test/Unit</directory>-->
+<!--        <directory suffix="Test.php">../../tests/unit/*/Test/Unit</directory>-->
+<!--    </testsuite>-->
     <php>
         <ini name="date.timezone" value="America/Los_Angeles"/>
         <ini name="xdebug.max_nesting_level" value="200"/>