tests: update tests

tests/data/a-b.c/2 3.yml

@@ -1,22 +1,18 @@
 config:
     name: "reference testcase unittest for abnormal folder path"
-    variables:
-        foo1: session_bar1
     base_url: "https://postman-echo.com"
     verify: False
 
 teststeps:
 -
     name: request with functions
-    variables:
-        foo1: override_bar1
     testcase: 1.yml
     export:
         - session_foo2
 -
     name: post form data
     variables:
-        foo1: bar1
+        foo1: bar12
     request:
         method: POST
         url: /post
@@ -26,5 +22,5 @@ teststeps:
         data: "foo1=$foo1&foo2=$session_foo2"
     validate:
         - eq: ["status_code", 200]
-        - eq: ["body.form.foo1", "session_bar1"]
-        - eq: ["body.form.foo2", "session_bar2"]
+        - eq: ["body.form.foo1", "bar12"]
+        - eq: ["body.form.foo2", "config_bar2"]