Fix interactive mode in eclipse

Author: felixmulder

compiler/test/dotty/tools/vulpix/SummaryReport.java

@@ -13,7 +13,9 @@
  *  this class
  */
 public class SummaryReport {
-    public final static boolean isInteractive = !System.getenv().containsKey("DRONE");
+    public final static boolean isInteractive =
+        !System.getenv().containsKey("DRONE") &&
+        !System.getProperty("java.class.path").contains("eclipse");
 
     private static TestReporter rep = TestReporter.reporter(System.out, -1);
     private static ArrayDeque<String> failedTests = new ArrayDeque<>();