diff --git a/src/test/java/sc/fiji/coloc/Main.java b/src/test/java/sc/fiji/coloc/Main.java
index 42f03b0..0629aa2 100644
--- a/src/test/java/sc/fiji/coloc/Main.java
+++ b/src/test/java/sc/fiji/coloc/Main.java
@@ -1,71 +1,65 @@
 /*-
  * #%L
  * Fiji's plugin for colocalization analysis.
  * %%
  * Copyright (C) 2009 - 2017 Fiji developers.
  * %%
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as
  * published by the Free Software Foundation, either version 3 of the
  * License, or (at your option) any later version.
  * 
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  * 
  * You should have received a copy of the GNU General Public
  * License along with this program.  If not, see
  * <http://www.gnu.org/licenses/gpl-3.0.html>.
  * #L%
  */
 package sc.fiji.coloc;
 
 import ij.IJ;
 import ij.ImageJ;
 import ij.ImagePlus;
 import ij.plugin.ChannelSplitter;
 
 /**
  * Test class for Coloc 2 functionality.
  * 
  * @author Ellen T Arena
  */
 public class Main {
 	
 
 	/**
 	 * Main method for debugging.
 	 *
 	 * For debugging, it is convenient to have a method that starts ImageJ, loads an
 	 * image and calls the plugin, e.g. after setting breakpoints.
 	 *
 	 * @param args unused
 	 */
 	public static void main(String[] args) {
-		// set the plugins.dir property to make the plugin appear in the Plugins menu
-		Class<?> clazz = Coloc_2.class;
-		String url = clazz.getResource("/" + clazz.getName().replace('.', '/') + ".class").toString();
-		String pluginsDir = url.substring(5, url.length() - clazz.getName().length() - 6);
-		System.setProperty("plugins.dir", pluginsDir);
-
 		// start ImageJ
 		new ImageJ();
 
 		// open the FluorescentCells sample (to test single slice images)
 		ImagePlus fluorCellImage = IJ.openImage("http://imagej.net/images/FluorescentCells.zip");
 		ImagePlus[] fluorCellchannels = ChannelSplitter.split(fluorCellImage);
 		fluorCellchannels[0].show();
 		fluorCellchannels[1].show();
 		// run the plugin, Coloc 2
-		IJ.run("Coloc 2","channel_1=C1-FluorescentCells.tif channel_2=C2-FluorescentCells.tif roi_or_mask=<None> threshold_regression=Costes display_images_in_result li_histogram_channel_1 li_histogram_channel_2 li_icq spearman's_rank_correlation manders'_correlation kendall's_tau_rank_correlation 2d_instensity_histogram costes'_significance_test psf=3 costes_randomisations=10");
+		IJ.runPlugIn(Coloc_2.class.getName(),"channel_1=C1-FluorescentCells.tif channel_2=C2-FluorescentCells.tif roi_or_mask=<None> threshold_regression=Costes display_images_in_result li_histogram_channel_1 li_histogram_channel_2 li_icq spearman's_rank_correlation manders'_correlation kendall's_tau_rank_correlation 2d_instensity_histogram costes'_significance_test psf=3 costes_randomisations=10");
 
 //		// open the Confocal Series sample (to test z-stacks)
 //		ImagePlus confocalImage = IJ.openImage("http://imagej.net/images/confocal-series.zip");
 //		ImagePlus[] confocalchannels = ChannelSplitter.split(confocalImage);
 //		confocalchannels[0].show();
 //		confocalchannels[1].show();
 //		// run the plugin, Coloc 2
-//		IJ.run("Coloc 2", "channel_1=C1-confocal-series.tif channel_2=C2-confocal-series.tif roi_or_mask=<None> threshold_regression=Costes display_images_in_result li_histogram_channel_1 li_histogram_channel_2 li_icq spearman's_rank_correlation manders'_correlation kendall's_tau_rank_correlation 2d_instensity_histogram costes'_significance_test psf=3 costes_randomisations=10");
+//		IJ.runPlugIn(Coloc_2.class.getName(), "channel_1=C1-confocal-series.tif channel_2=C2-confocal-series.tif roi_or_mask=<None> threshold_regression=Costes display_images_in_result li_histogram_channel_1 li_histogram_channel_2 li_icq spearman's_rank_correlation manders'_correlation kendall's_tau_rank_correlation 2d_instensity_histogram costes'_significance_test psf=3 costes_randomisations=10");
 	}
 }