Add failing test for \n newline handling

merge into test

Author: danmichaelo

tests/Dotenv/DotenvTest.php

@@ -229,6 +229,9 @@ public function testMutlilineLoading()
         $dotenv = Dotenv::create($this->fixturesFolder, 'multiline.env');
         $dotenv->load();
         $this->assertSame("test\n     test\"test\"\n     test", getenv('TEST'));
+        $this->assertSame("test\ntest", getenv('TEST_ND'));
+        $this->assertSame("test\ntest", getenv('TEST_NS'));
+
         $this->assertSame('https://vision.googleapis.com/v1/images:annotate?key=', getenv('TEST_EQD'));
         $this->assertSame('https://vision.googleapis.com/v1/images:annotate?key=', getenv('TEST_EQS'));
     }

tests/Dotenv/LinesTest.php

@@ -30,6 +30,8 @@ public function testProcessQuotes()
 
         $expected = [
             "TEST=\"test\n     test\\\"test\\\"\n     test\"",
+            "TEST_ND=\"test\\ntest\"",
+            'TEST_NS=\'test\\ntest\'',
             'TEST_EQD="https://vision.googleapis.com/v1/images:annotate?key="',
             'TEST_EQS=\'https://vision.googleapis.com/v1/images:annotate?key=\'',
         ];

tests/fixtures/env/multiline.env

@@ -2,5 +2,8 @@ TEST="test
      test\"test\"
      test"
 
+TEST_ND="test\ntest"
+TEST_NS='test\ntest'
+
 TEST_EQD="https://vision.googleapis.com/v1/images:annotate?key="
 TEST_EQS='https://vision.googleapis.com/v1/images:annotate?key='