add HelloWorld example

examples/HelloWorld/tests/suite/create_and_check.yml

@@ -0,0 +1,31 @@
+
+- config:
+    name: "create user and check result."
+    def: create_and_check($uid, $token)
+    request: $default_request
+    output:
+        - token
+
+- test:
+    name: make sure user $uid does not exist
+    api: get_user($uid, $token)
+    validate:
+        - eq: ["status_code", 404]
+        - eq: ["content.success", false]
+
+- test:
+    name: create user $uid
+    variables:
+        - user_name: "user1"
+        - user_password: "123456"
+    api: create_user($uid, $user_name, $user_password, $token)
+    validate:
+        - eq: ["status_code", 201]
+        - eq: ["content.success", true]
+
+- test:
+    name: check if user $uid exists
+    api: get_user($uid, $token)
+    validate:
+        - eq: ["status_code", 200]
+        - eq: ["content.success", true]