EXTSCRIPT-185 fixing testcase for dynamic jruby inclusion

git-svn-id: https://svn.apache.org/repos/asf/myfaces/extensions/scripting/trunk@1417473 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/extscript-core-root/extscript-myfaces/src/test/java/org/apache/myfaces/extensions/scripting/core/context/InitialFullScanTest.java b/extscript-core-root/extscript-myfaces/src/test/java/org/apache/myfaces/extensions/scripting/core/context/InitialFullScanTest.java
index eb6d6f6..005d268 100644
--- a/extscript-core-root/extscript-myfaces/src/test/java/org/apache/myfaces/extensions/scripting/core/context/InitialFullScanTest.java
+++ b/extscript-core-root/extscript-myfaces/src/test/java/org/apache/myfaces/extensions/scripting/core/context/InitialFullScanTest.java
@@ -84,8 +84,9 @@
                 javaEngine.getSourcePaths().clear();;
                 groovyEngine.getSourcePaths().clear();
                 scalaEngine.getSourcePaths().clear();
-                jrubyEngine.getSourcePaths().clear();
-
+                if(jrubyEngine != null) {
+                    jrubyEngine.getSourcePaths().clear();
+                }
             }
             catch (IOException e)
             {