HttpRunner 2.0 is comming!

1, new design for testcase format;
2, refactor testcase layer mechanism.

tests/testcases/setup.yml

@@ -0,0 +1,32 @@
+- config:
+    name: "setup and reset all."
+    id: setup_and_reset
+    variables:
+        - user_agent: 'iOS/10.3'
+        - device_sn: "TESTCASE_SETUP_XXX"
+        - os_platform: 'ios'
+        - app_version: '2.8.6'
+    base_url: "http://127.0.0.1:5000"
+    verify: False
+    output:
+        - token
+
+- test:
+    name: get token (setup)
+    api: get_token
+    variables:
+        - user_agent: 'iOS/10.3'
+        - device_sn: $device_sn
+        - os_platform: 'ios'
+        - app_version: '2.8.6'
+    extract:
+        - token: content.token
+    validate:
+        - eq: ["status_code", 200]
+        - len_eq: ["content.token", 16]
+
+- test:
+    name: reset all users
+    api: reset_all
+    variables:
+        - token: $token