test: update test cases

spec/examples/examples_spec.lua

@@ -71,7 +71,7 @@ describe("in-place variables", function()
     describe("evaluate context across multiple requests", function()
         local source = open("spec/examples/variables/in_place_variables.http")
         local req_nodes = parser.get_all_request_nodes(source)
-        assert.same(3, #req_nodes)
+        assert(#req_nodes >= 3)
         local ctx = Context:new()
         it("example 1", function()
             local req1 = assert(parser.parse(req_nodes[1], source, ctx))

spec/examples/variables/in_place_variables.http

@@ -15,8 +15,8 @@ GET {{myhost}}/users
 
 ###
 # so `myhost` here is now `example.net`
+# check `spec/examples/script/pre_request_script.http` for variable local to each requests
 GET {{myhost}}/stats
 
 ###
-# check `spec/examples/script/pre_request_script.http` for variable local to each requests
-@myhost=bruh
+@myhost=this won't affect above request

spec/parser/http_parser_spec.lua

@@ -206,24 +206,25 @@ key5 = value5
 
     describe("variables", function()
         it("parse with variables in header", function()
+            vim.env["TOKEN"] = "xxx"
             local source = [[POST https://example.com
-X-DATE: {{$date}}
+Authorization: Bearer {{TOKEN}}
 ]]
             local _, tree = utils.ts_parse_source(source)
             local req_node = assert(tree:root():child(0))
             local req = parser.parse(req_node, source)
             assert.not_nil(req)
             ---@cast req rest.Request
             assert.same({
-                ["x-date"] = { os.date("%Y-%m-%d") },
+                ["authorization"] = { "Bearer xxx" },
             }, req.headers)
         end)
         it("parse with variables in body", function()
             vim.env["DATE"] = "2024-07-28"
             local source = [[POST https://example.com
 
 {
-  "name": "{{DATE}}"
+  "date": "{{DATE}}"
 }
 ]]
             local _, tree = utils.ts_parse_source(source)
@@ -234,7 +235,7 @@ X-DATE: {{$date}}
             assert.same({
                 __TYPE = "json",
                 data = [[{
-  "name": "2024-07-28"
+  "date": "2024-07-28"
 }]],
             }, req.body)
         end)