Fix tests

tests/Composer/Test/Downloader/FileDownloaderTest.php

@@ -469,8 +469,8 @@ class FileDownloaderTest extends TestCase
         $path = $this->getUniqueTmpDirectory();
         $filesystem = $this->getMockBuilder('Composer\Util\Filesystem')->getMock();
         $filesystem->expects($this->once())
-            ->method('removeDirectory')
-            ->will($this->returnValue(true));
+            ->method('removeDirectoryAsync')
+            ->will($this->returnValue(\React\Promise\resolve(true)));
 
         $downloader = $this->getDownloader($ioMock, null, null, null, null, $filesystem);
 

tests/Composer/Test/Downloader/FossilDownloaderTest.php

@@ -156,9 +156,9 @@ class FossilDownloaderTest extends TestCase
             ->with($this->equalTo($expectedResetCommand));
         $filesystem = $this->getMockBuilder('Composer\Util\Filesystem')->getMock();
         $filesystem->expects($this->once())
-            ->method('removeDirectory')
+            ->method('removeDirectoryAsync')
             ->with($this->equalTo('composerPath'))
-            ->will($this->returnValue(true));
+            ->will($this->returnValue(\React\Promise\resolve(true)));
 
         $downloader = $this->getDownloaderMock(null, null, $processExecutor, $filesystem);
         $downloader->remove($packageMock, 'composerPath');

tests/Composer/Test/Downloader/GitDownloaderTest.php

@@ -661,9 +661,9 @@ composer https://github.com/old/url (push)
             ->will($this->returnValue(0));
         $filesystem = $this->getMockBuilder('Composer\Util\Filesystem')->getMock();
         $filesystem->expects($this->once())
-            ->method('removeDirectory')
+            ->method('removeDirectoryAsync')
             ->with($this->equalTo('composerPath'))
-            ->will($this->returnValue(true));
+            ->will($this->returnValue(\React\Promise\resolve(true)));
 
         $downloader = $this->getDownloaderMock(null, null, $processExecutor, $filesystem);
         $downloader->prepare('uninstall', $packageMock, 'composerPath');

tests/Composer/Test/Downloader/HgDownloaderTest.php

@@ -145,9 +145,9 @@ class HgDownloaderTest extends TestCase
             ->with($this->equalTo($expectedResetCommand));
         $filesystem = $this->getMockBuilder('Composer\Util\Filesystem')->getMock();
         $filesystem->expects($this->once())
-            ->method('removeDirectory')
+            ->method('removeDirectoryAsync')
             ->with($this->equalTo('composerPath'))
-            ->will($this->returnValue(true));
+            ->will($this->returnValue(\React\Promise\resolve(true)));
 
         $downloader = $this->getDownloaderMock(null, null, $processExecutor, $filesystem);
         $downloader->prepare('uninstall', $packageMock, 'composerPath');