Updated build.properties to resolve warnings for source build
diff --git a/tests/org.eclipse.graphiti.ui.tests/build.properties b/tests/org.eclipse.graphiti.ui.tests/build.properties
index 4314123..ff525be 100644
--- a/tests/org.eclipse.graphiti.ui.tests/build.properties
+++ b/tests/org.eclipse.graphiti.ui.tests/build.properties
@@ -4,10 +4,5 @@
                .,\
                about.html,\
                plugin.properties
-src.includes = plugin.properties,\
-               build.properties,\
-               about.html,\
-               META-INF/,\
-               AllJunitUiTests.launch,\
-               .project,\
-               .classpath
+src.includes = about.html,\
+               AllJunitUiTests.launch