refactor run times: display test statistics correctly with run times setting

tests/data/demo_testset_cli.yml

@@ -0,0 +1,68 @@
+- test:
+    name: get token
+    request:
+        url: http://127.0.0.1:5000/api/get-token
+        method: POST
+        headers:
+            Content-Type: application/json
+            user_agent: 'iOS/10.3'
+            device_sn: 'HZfFBh6tU59EdXJ'
+            os_platform: 'ios'
+            app_version: '2.8.6'
+        json:
+            sign: f1219719911caae89ccc301679857ebfda115ca2
+    variables:
+        - expect_status_code: 200
+        - token_len: 16
+    extract:
+        - token: content.token
+    validate:
+        - {"check": "status_code", "comparator": "eq", "expect": 200}
+        - eq: ["status_code", $expect_status_code]
+        - {"check": "$token", "comparator": "len_eq", "expect": 16}
+        - len_eq: ["$token", $token_len]
+        - len_eq: ["content.token", 16]
+        - {"check": "status_code", "comparator": "sum_status_code", "expect": 2}
+        - sum_status_code: ["status_code", 2]
+
+- test:
+    name: create user which does not exist
+    request:
+        url: http://127.0.0.1:5000/api/users/1000
+        method: POST
+        headers:
+            Content-Type: application/json
+            device_sn: 'HZfFBh6tU59EdXJ'
+            token: $token
+        json:
+            name: "user1"
+            password: "123456"
+    extract:
+        - success: content.success
+    validate:
+        - eq: ["status_code", 201]
+        - sum_status_code: ["status_code", 3]
+        - eq: ["$success", True]
+        - eq: ["abc$success", "abcTrue"]
+        - {"check": "status_code", "comparator": "eq", "expect": 201}
+        - {"check": "content.success", "comparator": "eq", "expect": true}
+
+- test:
+    name: create user which existed
+    times: 3
+    request:
+        url: http://127.0.0.1:5000/api/users/1000
+        method: POST
+        headers:
+            Content-Type: application/json
+            device_sn: 'HZfFBh6tU59EdXJ'
+            token: $token
+        json:
+            name: "user1"
+            password: "123456"
+    validate:
+        - "eq": ["status_code", 500]
+        - sum_status_code: ["status_code", 5]
+        - "eq": ["content.success", false]
+        - {"check": "status_code", "comparator": "eq", "expect": 500}
+        - {"check": "content.success", "comparator": "eq", "expect": false}