diff --git a/src/Symfony/Component/Intl/Tests/CurrenciesTest.php b/src/Symfony/Component/Intl/Tests/CurrenciesTest.php
index 102cf3f4c7bbd..e524099acf6a5 100644
--- a/src/Symfony/Component/Intl/Tests/CurrenciesTest.php
+++ b/src/Symfony/Component/Intl/Tests/CurrenciesTest.php
@@ -693,7 +693,7 @@ public function testGetFractionDigits($currency)
      */
     public function testGetRoundingIncrement($currency)
     {
-        $this->assertInternalType('numeric', Currencies::getRoundingIncrement($currency));
+        $this->assertIsNumeric(Currencies::getRoundingIncrement($currency));
     }
 
     public function provideCurrenciesWithNumericEquivalent()
diff --git a/src/Symfony/Component/Workflow/Tests/RegistryTest.php b/src/Symfony/Component/Workflow/Tests/RegistryTest.php
index 21c532ee7d872..1fd15d6c3c1e6 100644
--- a/src/Symfony/Component/Workflow/Tests/RegistryTest.php
+++ b/src/Symfony/Component/Workflow/Tests/RegistryTest.php
@@ -87,7 +87,7 @@ public function testGetWithNoMatch()
     public function testAllWithOneMatchWithSuccess()
     {
         $workflows = $this->registry->all(new Subject1());
-        $this->assertInternalType('array', $workflows);
+        $this->assertIsArray($workflows);
         $this->assertCount(1, $workflows);
         $this->assertInstanceOf(Workflow::class, $workflows[0]);
         $this->assertSame('workflow1', $workflows[0]->getName());
@@ -96,7 +96,7 @@ public function testAllWithOneMatchWithSuccess()
     public function testAllWithMultipleMatchWithSuccess()
     {
         $workflows = $this->registry->all(new Subject2());
-        $this->assertInternalType('array', $workflows);
+        $this->assertIsArray($workflows);
         $this->assertCount(2, $workflows);
         $this->assertInstanceOf(Workflow::class, $workflows[0]);
         $this->assertInstanceOf(Workflow::class, $workflows[1]);
@@ -107,7 +107,7 @@ public function testAllWithMultipleMatchWithSuccess()
     public function testAllWithNoMatch()
     {
         $workflows = $this->registry->all(new \stdClass());
-        $this->assertInternalType('array', $workflows);
+        $this->assertIsArray($workflows);
         $this->assertCount(0, $workflows);
     }