fix emscripten dependencies by making separate test crate

lib/emscripten-tests/emtests/test_std_cout_new.cpp

@@ -0,0 +1,26 @@
+// Copyright 2016 The Emscripten Authors.  All rights reserved.
+// Emscripten is available under two separate licenses, the MIT license and the
+// University of Illinois/NCSA Open Source License.  Both these licenses can be
+// found in the LICENSE file.
+
+#include <iostream>
+
+struct NodeInfo {  // structure that we want to transmit to our shaders
+  float x;
+  float y;
+  float s;
+  float c;
+};
+const int nbNodes = 100;
+NodeInfo* data = new NodeInfo[nbNodes];  // our data that will be transmitted
+                                         // using float texture.
+
+template <int i>
+void printText(const char (&text)[i]) {
+  std::cout << text << std::endl;
+}
+
+int main() {
+  printText("some string constant");
+  return 0;
+}