protected void drag(int x1, int y1, int x2, int y2) {
		GraphViewer<AbstractTestVertex, TestEdge> viewer = graphComponent.getPrimaryViewer();
		dragMouse(viewer, MouseEvent.BUTTON1, x1, y1, x2, y2, 0);
		waitForAnimation();
	}
Moves the given vertex as necessary so that it is not touching any other vertex

@param v the vertex
Ghidra/Framework/Graph/src/test.slow/java/ghidra/graph/viewer/AbstractVisualGraphTest.java