Temporary disabled DefaultTargetTest under certain conditions

Author: cmaglie

app/test/processing/app/DefaultTargetTest.java

@@ -1,10 +1,11 @@
 package processing.app;
 
 import org.junit.After;
+import org.junit.Assume;
 import org.junit.Before;
 import org.junit.Test;
-import processing.app.debug.TargetBoard;
 
+import processing.app.debug.TargetBoard;
 import static org.junit.Assert.assertNotEquals;
 
 public class DefaultTargetTest extends AbstractWithPreferencesTest {
@@ -29,6 +30,9 @@ public void testDefaultTarget() throws Exception {
     // should not raise an exception
     new Base(new String[0]);
 
+    // skip test if no target platforms are available
+    Assume.assumeNotNull(BaseNoGui.getTargetPlatform());
+    
     TargetBoard targetBoard = BaseNoGui.getTargetBoard();
     assertNotEquals("unreal_board", targetBoard.getId());
   }