Allow JUnit libraries to read files from the output directory

Without these permissions, files that can be read successfully in a main
method cannot be read in tests.

java/collabode/testing/JUnitRestrictedLaunchConfigurationDelegate.java

@@ -5,6 +5,7 @@
 
 import org.eclipse.core.runtime.*;
 import org.eclipse.debug.core.*;
+import org.eclipse.jdt.core.IJavaProject;
 import org.eclipse.jdt.junit.launcher.JUnitLaunchConfigurationDelegate;
 import org.eclipse.jdt.launching.IVMRunner;
 import org.eclipse.jdt.launching.VMRunnerConfiguration;
@@ -42,8 +43,20 @@ public class JUnitRestrictedLaunchConfigurationDelegate extends JUnitLaunchConfi
             InputStream run = new FileInputStream(Application.bundleResourcePath("config/export/security.run.policy"));
             IO.copy(new InputStreamReader(run), out);
 
+            IJavaProject proj = getJavaProject(configuration);
+            String bin = proj.getProject().getWorkspace().getRoot().getFile(proj.getOutputLocation()).getRawLocation() + "/-";
+
+            out.println("grant codeBase \"file:" + FileLocator.toFileURL(Platform.getBundle("org.junit").getEntry("/junit.jar")).getPath() + "\" {");
+            out.println("  permission java.io.FilePermission \"" + bin + "\", \"read\";"); // XXX secure?
+            out.println("};");
+
+            out.println("grant codeBase \"file:" + FileLocator.toFileURL(Platform.getBundle("org.eclipse.jdt.junit4.runtime").getEntry("/")).getPath() + "\" {");
+            out.println("  permission java.io.FilePermission \"" + bin + "\", \"read\";"); // XXX secure?
+            out.println("};");
+
             String junit = FileLocator.toFileURL(Platform.getBundle("org.eclipse.jdt.junit.runtime").getEntry("/")).getPath();
             out.println("grant codeBase \"file:" + junit + "\" {");
+            out.println("  permission java.io.FilePermission \"" + bin + "\", \"read\";"); // XXX secure?
             // discovering test classes
             if (programArguments.contains("-testNameFile")) {
                 String testNameFile = (String)programArguments.get(programArguments.indexOf("-testNameFile")+1);