Add more integ tests for hurlfmt --in curl

integration/tests_ok/import_curl.in

@@ -1,3 +1,7 @@
 curl http://localhost:8000/hello
 curl http://localhost:8000/custom-headers -H 'Fruit:Raspberry' -H 'Fruit:Apple' -H 'Fruit:Banana' -H 'Fruit: Grape' -H 'Color:Green'
 curl --header 'Content-Type: application/json' --data $'{\n    "name": "Bob",\n    "password": "&secret\\\\\'<>",\n    "age": 30,\n    "strict": true,\n    "spacing": "\\n",\n    "g_clef": "\\uD834\\uDD1E",\n    "items": [true, "true", 1],\n    "variable": "\\\\"\n}' 'http://localhost:8000/post-json'
+curl --header 'Content-Type:' --data '@tests_ok/data.bin' 'http://localhost:8000/post-file'
+curl --location 'http://localhost:8000/redirect-absolute'
+curl -k https://localhost:8001/hello
+

integration/tests_ok/import_curl.out

@@ -22,3 +22,15 @@ Content-Type: application/json
 }
 ```
 
+POST http://localhost:8000/post-file
+Content-Type:
+file, tests_ok/data.bin;
+
+GET http://localhost:8000/redirect-absolute
+[Options]
+location: true
+
+GET https://localhost:8001/hello
+[Options]
+insecure: true
+

integration/tests_ok/import_curl.ps1

@@ -1,4 +1,4 @@
 Set-StrictMode -Version latest
 $ErrorActionPreference = 'Stop'
-hurl tests_ok/import_curl.out > $null  # Validate expected file
+hurl --file-root . tests_ok/import_curl.out > $null  # Validate expected file
 hurlfmt --in curl tests_ok/import_curl.in

integration/tests_ok/import_curl.sh

@@ -1,4 +1,4 @@
 #!/bin/bash
 set -Eeuo pipefail
-hurl tests_ok/import_curl.out >/dev/null  # Validate expected file
+hurl --file-root . tests_ok/import_curl.out >/dev/null  # Validate expected file
 hurlfmt --in curl tests_ok/import_curl.in