make sure timestamp normalization uses T

Author: milt

src/test/com/yetanalytics/lrs/xapi/statements/timestamp_test.cljc

@@ -44,7 +44,9 @@
       "1970"                           "1970-01-01T00:00:00.000000000Z"
       "1969-12-31T19:00:00-0500"       "1970-01-01T00:00:00.000000000Z"
       ;; LOUD HMMM
-      "19691231T19:00:00-0500"         "1970-01-01T00:00:00.000000000Z")))
+      "19691231T19:00:00-0500"         "1970-01-01T00:00:00.000000000Z"
+      ;; silly space instead of T
+      "1970-01-01 00:00:00.000000000Z" "1970-01-01T00:00:00.000000000Z")))
 
 (deftest stamp-now-test
   (testing "generative function tests"