Fix test cases and use the upstream register URIs.

examples/nginx.conf

@@ -145,7 +145,7 @@ http {
         # ------------------------------------------------------
         # -- Mock OAP server to provide register and trace collection
         # ------------------------------------------------------
-        location /skywalking/register/service {
+        location /v2/service/register {
             default_type text/html;
             lua_need_request_body on;
 
@@ -161,7 +161,7 @@ http {
             }
         }
 
-        location /skywalking/register/serviceInstance {
+        location /v2/instance/register {
             default_type text/html;
             lua_need_request_body on;
 

lib/skywalking/client.lua

@@ -76,7 +76,7 @@ function Client:registerService(metadata_buffer, backend_http_uri)
 
     local http = require('resty.http')
     local httpc = http.new()
-    local res, err = httpc:request_uri(backend_http_uri .. '/register/service', {
+    local res, err = httpc:request_uri(backend_http_uri .. '/v2/service/register', {
         method = "POST",
         body = serviceRegisterParam,
         headers = {
@@ -115,7 +115,7 @@ function Client:registerServiceInstance(metadata_buffer, backend_http_uri)
 
     local http = require('resty.http')
     local httpc = http.new()
-    local res, err = httpc:request_uri(backend_http_uri .. '/register/serviceInstance', {
+    local res, err = httpc:request_uri(backend_http_uri .. '/v2/instance/register', {
         method = "POST",
         body = serviceInstanceRegisterParam,
         headers = {

lib/skywalking/span_test.lua

@@ -93,6 +93,8 @@ TestSpan = {}
         local span2 = Span:new("operation_name", context, span1)
         lu.assertEquals(span2.parent_span_id, 0)
         lu.assertEquals(span2.span_id, 1)
+        lu.assertNil(span2.start_time)
+        span2:start(123456)
         lu.assertNotNil(span2.start_time)
 
         -- Use new context to check again