Add note on how to run test

KIRSTEN W. HILDRUM · KIRSTEN W. HILDRUM · commit ff5337949ace · 2015-10-02T09:20:20.000-04:00
diff --git a/tests/InetSource/NoNewlineAtEnd/Main.spl b/tests/InetSource/NoNewlineAtEnd/Main.spl
@@ -1,4 +1,9 @@
 
+/**
+  * This composite is meant to be run as a test.  If compiled in standalone mode and executed,
+  * it will give return 0 if the test is successful, and non-zero if the test fails.  It should
+  * be able to be invoked by any test harness.
+  */
 
 composite Main {
 
