Remove unused private methods

tests/Composer/Test/DependencyResolver/RuleSetTest.php

@@ -157,11 +157,4 @@ class RuleSetTest extends TestCase
 
         $this->assertContains('JOB     : Install command rule (install foo 2.1)', $ruleSet->getPrettyString($this->pool));
     }
-
-    private function getRuleMock()
-    {
-        return $this->getMockBuilder('Composer\DependencyResolver\Rule')
-            ->disableOriginalConstructor()
-            ->getMock();
-    }
 }

tests/Composer/Test/Repository/Vcs/FossilDriverTest.php

@@ -40,15 +40,6 @@ class FossilDriverTest extends TestCase
         $fs->removeDirectory($this->home);
     }
 
-    private function getCmd($cmd)
-    {
-        if (Platform::isWindows()) {
-            return strtr($cmd, "'", '"');
-        }
-
-        return $cmd;
-    }
-
     public static function supportProvider()
     {
         return array(

tests/Composer/Test/Repository/Vcs/SvnDriverTest.php

@@ -70,15 +70,6 @@ class SvnDriverTest extends TestCase
         $svn->initialize();
     }
 
-    private function getCmd($cmd)
-    {
-        if (Platform::isWindows()) {
-            return strtr($cmd, "'", '"');
-        }
-
-        return $cmd;
-    }
-
     public static function supportProvider()
     {
         return array(