fix test (centrally drag was not accurate, one pixel less than suspected)
diff --git a/tests/org.eclipse.graphiti.bot.tests/src/org/eclipse/graphiti/bot/tests/GFInteractionComponentTests.java b/tests/org.eclipse.graphiti.bot.tests/src/org/eclipse/graphiti/bot/tests/GFInteractionComponentTests.java
index 8fdc2b2..54b68af 100644
--- a/tests/org.eclipse.graphiti.bot.tests/src/org/eclipse/graphiti/bot/tests/GFInteractionComponentTests.java
+++ b/tests/org.eclipse.graphiti.bot.tests/src/org/eclipse/graphiti/bot/tests/GFInteractionComponentTests.java
@@ -122,7 +122,8 @@
 		Thread.sleep(1000);
 		SWTBotGefEditPart editPart = ed.getEditPart(SHAPE_NAME);
 		IFigure figure = ((GraphicalEditPart) editPart.part()).getFigure();
-		assertEquals(x + 150, figure.getBounds().x);
+		// Drag might not be accurate, add tolerance +-1
+		assertTrue((x + 149 <= figure.getBounds().x) && (figure.getBounds().x <= x + 151));
 		shutdownEditor(diagramEditor);
 	}