BATIK-1216: Fix junit on java 10

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/batik/trunk@1831626 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/batik-test-svg/src/main/java/org/apache/batik/test/svg/SVGOnLoadExceptionTest.java b/batik-test-svg/src/main/java/org/apache/batik/test/svg/SVGOnLoadExceptionTest.java
index 45d0fe9..448d275 100644
--- a/batik-test-svg/src/main/java/org/apache/batik/test/svg/SVGOnLoadExceptionTest.java
+++ b/batik-test-svg/src/main/java/org/apache/batik/test/svg/SVGOnLoadExceptionTest.java
@@ -367,6 +367,7 @@
                     }
                 }
 
+                fileName = new File(fileName).getAbsolutePath();
                 permissions.add(new FilePermission(fileName, "read"));
                 permissions.add(new RuntimePermission("accessDeclaredMembers"));