fixed TCK on windows
diff --git a/bval-tck/pom.xml b/bval-tck/pom.xml
index 0f91e61..b8a8c2f 100644
--- a/bval-tck/pom.xml
+++ b/bval-tck/pom.xml
@@ -170,6 +170,7 @@
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-surefire-plugin</artifactId>
                         <configuration>
+                            <argLine>-Duser.language=en</argLine>
                             <suiteXmlFiles>
                                 <suiteXmlFile>${basedir}/src/test/beanvalidation-tck-tests-suite.xml</suiteXmlFile>
                             </suiteXmlFiles>