diff --git a/src/Symfony/Component/Config/Tests/Definition/Builder/ExprBuilderTest.php b/src/Symfony/Component/Config/Tests/Definition/Builder/ExprBuilderTest.php
index 85d0d36319..2dfb7a0a39 100644
--- a/src/Symfony/Component/Config/Tests/Definition/Builder/ExprBuilderTest.php
+++ b/src/Symfony/Component/Config/Tests/Definition/Builder/ExprBuilderTest.php
@@ -148,7 +148,7 @@ class ExprBuilderTest extends TestCase
     /**
      * @dataProvider castToArrayValues
      */
-    public function testcastToArrayExpression($configValue, $expectedValue)
+    public function testCastToArrayExpression($configValue, $expectedValue)
     {
         $test = $this->getTestBuilder()
             ->castToArray()
diff --git a/src/Symfony/Component/Console/Tests/TerminalTest.php b/src/Symfony/Component/Console/Tests/TerminalTest.php
index 546d2214c4..cc2632dd18 100644
--- a/src/Symfony/Component/Console/Tests/TerminalTest.php
+++ b/src/Symfony/Component/Console/Tests/TerminalTest.php
@@ -60,7 +60,7 @@ class TerminalTest extends TestCase
         $this->assertSame(60, $terminal->getHeight());
     }
 
-    public function test_zero_values()
+    public function testZeroValues()
     {
         putenv('COLUMNS=0');
         putenv('LINES=0');
diff --git a/src/Symfony/Component/Lock/Tests/Store/SemaphoreStoreTest.php b/src/Symfony/Component/Lock/Tests/Store/SemaphoreStoreTest.php
index 38babded28..16263fa43a 100644
--- a/src/Symfony/Component/Lock/Tests/Store/SemaphoreStoreTest.php
+++ b/src/Symfony/Component/Lock/Tests/Store/SemaphoreStoreTest.php
@@ -51,7 +51,7 @@ class SemaphoreStoreTest extends AbstractStoreTest
     private function getOpenedSemaphores()
     {
         if ('Darwin' === PHP_OS) {
-            $lines = explode(PHP_EOL, trim(`ipcs -s`));
+            $lines = explode(PHP_EOL, trim(shell_exec('ipcs -s')));
             if (-1 === $start = array_search('Semaphores:', $lines)) {
                 throw new \Exception('Failed to extract list of opened semaphores. Expected a Semaphore list, got '.implode(PHP_EOL, $lines));
             }
@@ -59,7 +59,7 @@ class SemaphoreStoreTest extends AbstractStoreTest
             return \count(\array_slice($lines, ++$start));
         }
 
-        $lines = explode(PHP_EOL, trim(`LC_ALL=C ipcs -su`));
+        $lines = explode(PHP_EOL, trim(shell_exec('LC_ALL=C ipcs -su')));
         if ('------ Semaphore Status --------' !== $lines[0]) {
             throw new \Exception('Failed to extract list of opened semaphores. Expected a Semaphore status, got '.implode(PHP_EOL, $lines));
         }