Used a relative path to the contribution file because URL.getPath() introduces...

Used a relative path to the contribution file because URL.getPath() introduces an error when the current path contains spaces.

frascati/modules/frascati-assembly-factory/src/test/java/org/ow2/frascati/assembly/factory/test/AssemblyFactoryTest.java

@@ -137,10 +137,9 @@ public class AssemblyFactoryTest {
     {
         try
         {
-            URL helloworldAnnotationsURL = AssemblyFactoryTest.class.getResource("/helloworld-annotations.zip");
             ProcessingContext processingContext = frascati.newProcessingContext();
             CompositeManager compositeManager=frascati.getCompositeManager();
-            compositeManager.processContribution(helloworldAnnotationsURL.getPath(), processingContext);
+            compositeManager.processContribution("src/test/resources/helloworld-annotations.zip", processingContext);
         } catch (ManagerException e)
         {
             String exceptionMessage=e.getMessage();