Made tck only print failied tests

Author: Zhen

gulpfile.js

@@ -178,7 +178,7 @@ gulp.task('download-tck', function() {
 gulp.task('run-tck', ['download-tck', 'nodejs'], function() {
     return gulp.src(featureHome + "/*").pipe(cucumber({
         'steps': 'test/v1/tck/steps/*.js',
-        'format': 'pretty',
+        'format': 'progress',
         'tags' : ['~@fixed_session_pool', '~@db', '~@equality', '~@streaming_and_cursor_navigation']
     }));
 });

package.json

@@ -13,6 +13,7 @@
     "build": "gulp all",
     "start-neo4j": "gulp start-neo4j",
     "stop-neo4j": "gulp stop-neo4j",
+    "run-tck": "gulp run-tck",
     "docs": "node_modules/.bin/esdoc -c esdoc.json"
   },
   "main": "lib/index.js",

test/v1/tck/steps/util.js

@@ -374,7 +374,6 @@ function stopDatabase() {
 var runScript = function(cmd) {
   var spawnSync = childProcess.spawnSync, child, code;
   child = spawnSync('python', cmd);
-  console.log("Script Outputs:\n" + child.stdout.toString());
   var error = child.stderr.toString();
   if (error.trim() !== "")
     console.log("Script Errors:\n"+ error);