add go, now that it is available at https://openwhisk.ng.bluemix.net/ (#1038)

diff --git a/runtimes/runtimes_test.go b/runtimes/runtimes_test.go
index ba5f795..84d6665 100644
--- a/runtimes/runtimes_test.go
+++ b/runtimes/runtimes_test.go
@@ -31,13 +31,12 @@
 	converted := ConvertToMap(openwhisk)
 	println(converted["nodejs"])
 	println(converted["python"])
-	//println(converted["go"])
+	println(converted["go"])
 	assert.Equal(t, 3, len(converted["nodejs"]), "not expected length")
 	assert.Equal(t, 3, len(converted["php"]), "not expected length")
 	assert.Equal(t, 1, len(converted["java"]), "not expected length")
 	assert.Equal(t, 6, len(converted["python"]), "not expected length")
 	assert.Equal(t, 1, len(converted["ruby"]), "not expected length")
 	assert.Equal(t, 3, len(converted["swift"]), "not expected length")
-	// cannot pass this test until it is deployed in OpenWhisk
-	//assert.Equal(t, 2, len(converted["go"]), "not expected length")
+	assert.Equal(t, 1, len(converted["go"]), "not expected length")
 }