accelerate failure temporarily

.travis.yml

@@ -218,7 +218,7 @@ before_install:
 script:
   - |
     cd runtime-testsuite;
-    travis_wait 40 ../.travis/run-tests-$TARGET.sh;
+    travis_wait 4 ../.travis/run-tests-$TARGET.sh;
     rc=$?;
     cat target/surefire-reports/*.dumpstream || true;
     exit $rc

runtime-testsuite/test/org/antlr/v4/test/runtime/javascript/BaseNodeTest.java

@@ -318,7 +318,7 @@ public class BaseNodeTest implements RuntimeTestSupport {
 			process.destroyForcibly();
 		int error = process.exitValue();
 		if(error!=0)
-			throw new IOException("'npm link' failed");
+			throw new IOException("'npm install' failed");
 	}
 
 	private void registerRuntime(String npmPath) throws IOException, InterruptedException {