Merge pull request #42 from Tobion/patch-1

file mode validation cannot be implemented according to PSR-17

Author: shadowhand

test/StreamFactoryTestCase.php

@@ -2,6 +2,7 @@
 
 namespace Interop\Http\Factory;
 
+use Exception;
 use InvalidArgumentException;
 use RuntimeException;
 use PHPUnit\Framework\TestCase;
@@ -119,15 +120,15 @@ public function testCreateStreamFromFileWithNoMode()
     {
         $filename = $this->createTemporaryFile();
 
-        $this->expectException(InvalidArgumentException::class);
+        $this->expectException(Exception::class);
         $stream = $this->factory->createStreamFromFile($filename, '');
     }
 
     public function testCreateStreamFromFileWithInvalidMode()
     {
         $filename = $this->createTemporaryFile();
 
-        $this->expectException(InvalidArgumentException::class);
+        $this->expectException(Exception::class);
         $stream = $this->factory->createStreamFromFile($filename, "\u{2620}");
     }