Fix doc blocks and class names

Author: kvwalker

tests/GridFS/BucketFunctionalTest.php

@@ -17,7 +17,7 @@
  */
 class BucketFunctionalTest extends FunctionalTestCase
 {
-    /*
+    /**
      * @doesNotPerformAssertions
      */
     public function testValidConstructorOptions()
@@ -141,7 +141,7 @@ public function testDeleteStillRemovesChunksIfFileDoesNotExist($input, $expected
     }
 
     /**
-     * @expectedException PHPUnit_Framework_Error_Warning
+     * @expectedException PHPUnit\Framework\Error\Warning
      */
     public function testDownloadingFileWithMissingChunk()
     {
@@ -153,7 +153,7 @@ public function testDownloadingFileWithMissingChunk()
     }
 
     /**
-     * @expectedException PHPUnit_Framework_Error_Warning
+     * @expectedException PHPUnit\Framework\Error\Warning
      */
     public function testDownloadingFileWithUnexpectedChunkIndex()
     {
@@ -168,7 +168,7 @@ public function testDownloadingFileWithUnexpectedChunkIndex()
     }
 
     /**
-     * @expectedException PHPUnit_Framework_Error_Warning
+     * @expectedException PHPUnit\Framework\Error\Warning
      */
     public function testDownloadingFileWithUnexpectedChunkSize()
     {

tests/GridFS/ReadableStreamFunctionalTest.php

@@ -112,12 +112,11 @@ public function provideFileIdAndExpectedBytes()
 
     public function provideFilteredFileIdAndExpectedBytes()
     {
-        $filteredFiles = array_filter($this->provideFileIdAndExpectedBytes(),
+        return array_filter($this->provideFileIdAndExpectedBytes(),
             function(array $args) {
                 return $args[1] > 0;
             }
         );
-        return $filteredFiles;
     }
 
     /**

tests/GridFS/SpecFunctionalTest.php

@@ -330,7 +330,7 @@ private function getExceptionClassForError($error)
                 /* Although ReadableStream throws a CorruptFileException, the
                  * stream wrapper will convert it to a PHP error of type
                  * E_USER_WARNING. */
-                return 'PHPUnit_Framework_Error_Warning';
+                return 'PHPUnit\Framework\Error\Warning';
 
             default:
                 throw new LogicException('Unsupported error: ' . $error);

tests/GridFS/WritableStreamFunctionalTest.php

@@ -19,7 +19,7 @@ public function setUp()
         $this->collectionWrapper = new CollectionWrapper($this->manager, $this->getDatabaseName(), 'fs');
     }
 
-    /*
+    /**
      * @doesNotPerformAssertions
      */
     public function testValidConstructorOptions()