fixed the tests

Author: Nyholm

tests/Guzzle6HttpAdapterExceptionTest.php

@@ -32,7 +32,7 @@ public function testGetException()
         $this->assertInstanceOf('Http\Client\Exception\NetworkException', $outputException, "Guzzle's ConnectException should be converted to a NetworkException");
 
         $outputException = $method->invoke($adapter, new GuzzleExceptions\TooManyRedirectsException('foo', $request));
-        $this->assertInstanceOf('Http\Client\Exception\NetworkException', $outputException, "Guzzle's TooManyRedirectsException should be converted to a NetworkException");
+        $this->assertInstanceOf('Http\Client\Exception\RequestException', $outputException, "Guzzle's TooManyRedirectsException should be converted to a RequestException");
 
         $outputException = $method->invoke($adapter, new GuzzleExceptions\RequestException('foo', $request, $response));
         $this->assertInstanceOf('Http\Client\Exception\HttpException', $outputException, "Guzzle's RequestException should be converted to a HttpException");