Corrected isDone test.

git-svn-id: https://svn.microneil.com/svn/CodeDweller-Tests/trunk@28 b3372362-9eaa-4a85-aa2b-6faa1ab7c995

TestChild/testChild.cpp

 		<< std::endl;
       return false;
     }
+
+    // Sleep to let the child exit.
+    std::this_thread::sleep_for(std::chrono::milliseconds(100));
+
+    if (!child.isDone()) {
+      std::cout << "first isDone() failure in testReader." << std::endl;
+      return false;
+    }
+
     if (!child.isDone()) {
-      std::cout << "isDone() failure in testReader." << std::endl;
+      std::cout << "second isDone() failure in testReader." << std::endl;
       return false;
     }