diff --git a/setup/src/Magento/Setup/Test/Unit/Model/PhpReadinessCheckTest.php b/setup/src/Magento/Setup/Test/Unit/Model/PhpReadinessCheckTest.php
index 3c24f18df7735f13b513be11f34380edf0058fd5..7d582337c779695e3087e67b93e9150949bc15f9 100644
--- a/setup/src/Magento/Setup/Test/Unit/Model/PhpReadinessCheckTest.php
+++ b/setup/src/Magento/Setup/Test/Unit/Model/PhpReadinessCheckTest.php
@@ -57,7 +57,7 @@ class PhpReadinessCheckTest extends \PHPUnit_Framework_TestCase
     {
         $this->composerInfo->expects($this->once())->method('getRequiredPhpVersion')->willReturn('1.0');
         $multipleConstraints = $this->getMockForAbstractClass(
-            'Composer\Package\LinkConstraint\LinkConstraintInterface',
+            'Composer\Semver\Constraint\ConstraintInterface',
             [],
             '',
             false
@@ -68,7 +68,7 @@ class PhpReadinessCheckTest extends \PHPUnit_Framework_TestCase
             ->willThrowException(new \UnexpectedValueException());
         $this->versionParser->expects($this->at(2))->method('normalize')->willReturn('1.0');
         $currentPhpVersion = $this->getMockForAbstractClass(
-            'Composer\Package\LinkConstraint\LinkConstraintInterface',
+            'Composer\Semver\Constraint\ConstraintInterface',
             [],
             '',
             false
@@ -89,7 +89,7 @@ class PhpReadinessCheckTest extends \PHPUnit_Framework_TestCase
     {
         $this->composerInfo->expects($this->once())->method('getRequiredPhpVersion')->willReturn('1.0');
         $multipleConstraints = $this->getMockForAbstractClass(
-            'Composer\Package\LinkConstraint\LinkConstraintInterface',
+            'Composer\Semver\Constraint\ConstraintInterface',
             [],
             '',
             false
@@ -100,7 +100,7 @@ class PhpReadinessCheckTest extends \PHPUnit_Framework_TestCase
             ->willThrowException(new \UnexpectedValueException());
         $this->versionParser->expects($this->at(2))->method('normalize')->willReturn('1.0');
         $currentPhpVersion = $this->getMockForAbstractClass(
-            'Composer\Package\LinkConstraint\LinkConstraintInterface',
+            'Composer\Semver\Constraint\ConstraintInterface',
             [],
             '',
             false
@@ -120,7 +120,7 @@ class PhpReadinessCheckTest extends \PHPUnit_Framework_TestCase
     private function setUpNoPrettyVersionParser()
     {
         $multipleConstraints = $this->getMockForAbstractClass(
-            'Composer\Package\LinkConstraint\LinkConstraintInterface',
+            'Composer\Semver\Constraint\ConstraintInterface',
             [],
             '',
             false
@@ -128,7 +128,7 @@ class PhpReadinessCheckTest extends \PHPUnit_Framework_TestCase
         $this->versionParser->expects($this->at(0))->method('parseConstraints')->willReturn($multipleConstraints);
         $this->versionParser->expects($this->at(1))->method('normalize')->willReturn('1.0');
         $currentPhpVersion = $this->getMockForAbstractClass(
-            'Composer\Package\LinkConstraint\LinkConstraintInterface',
+            'Composer\Semver\Constraint\ConstraintInterface',
             [],
             '',
             false
@@ -156,7 +156,7 @@ class PhpReadinessCheckTest extends \PHPUnit_Framework_TestCase
     {
         $this->composerInfo->expects($this->once())->method('getRequiredPhpVersion')->willReturn('1.0');
         $multipleConstraints = $this->getMockForAbstractClass(
-            'Composer\Package\LinkConstraint\LinkConstraintInterface',
+            'Composer\Semver\Constraint\ConstraintInterface',
             [],
             '',
             false
@@ -164,7 +164,7 @@ class PhpReadinessCheckTest extends \PHPUnit_Framework_TestCase
         $this->versionParser->expects($this->at(0))->method('parseConstraints')->willReturn($multipleConstraints);
         $this->versionParser->expects($this->at(1))->method('normalize')->willReturn('1.0');
         $currentPhpVersion = $this->getMockForAbstractClass(
-            'Composer\Package\LinkConstraint\LinkConstraintInterface',
+            'Composer\Semver\Constraint\ConstraintInterface',
             [],
             '',
             false
diff --git a/setup/src/Magento/Setup/Test/Unit/Model/SystemPackageTest.php b/setup/src/Magento/Setup/Test/Unit/Model/SystemPackageTest.php
index 9ce624511688ec2585e477f379b41733b900ff15..7793f89a9c6c5c588645d1690725e0168bd605dd 100644
--- a/setup/src/Magento/Setup/Test/Unit/Model/SystemPackageTest.php
+++ b/setup/src/Magento/Setup/Test/Unit/Model/SystemPackageTest.php
@@ -263,7 +263,7 @@ class SystemPackageTest extends \PHPUnit_Framework_TestCase
             ->with('magento/product-enterprise-edition')
             ->willReturn(['available_versions' => ['1.0.0', '1.0.1', '1.0.2']]);
         $require = $this->getMock('\Composer\Package\Link', [], [], '', false);
-        $constraintMock = $this->getMock('\Composer\Package\LinkConstraint\VersionConstraint', [], [], '', false);
+        $constraintMock = $this->getMock('\Composer\Semver\Constraint\Constraint', [], [], '', false);
         $constraintMock->expects($this->any())->method('getPrettyString')
             ->willReturn('1.0.1');
         $require->expects($this->any())