fix case error

Author: dbu

.travis.yml

@@ -17,6 +17,9 @@ matrix:
   include:
     - php: 5.3
       env: PACKAGE_VERSION=low
+  allow_failures:
+    - php: 7.0
+    - php: 7.1
 
 before_script:
   - composer selfupdate

tests/PHPCR/Tests/Util/ValueConverterTest.php

@@ -52,7 +52,7 @@ public function dataConversionMatrix()
         ;
         $nodemock
             ->expects($this->any())
-            ->method('isNodetype')
+            ->method('isNodeType')
             ->with('mix:referenceable')
             ->will($this->returnValue(true))
         ;
@@ -406,7 +406,7 @@ public function testConvertNonrefNode()
         ;
         $nodemock
             ->expects($this->once())
-            ->method('isNodetype')
+            ->method('isNodeType')
             ->with('mix:referenceable')
             ->will($this->returnValue(false))
         ;