use 'param' as attribute name in script

example/greeting.json

@@ -11,7 +11,7 @@
     "script": [
         {
             "command": "GetMessage",
-            "params": {},
+            "param": {},
             "expect": {
                 "response": "Hello, Master!",
                 "runs": ["GetName"],

include/test/Expectation.h

@@ -25,7 +25,7 @@ namespace xs { namespace test
 
     public:
         std::string name_;
-        nlohmann::json params_;
+        nlohmann::json request_;
         nlohmann::json response_;
         std::unordered_set<std::string> runs_;
         std::unordered_set<std::string> posts_;

src/test/Expectation.cc

@@ -9,7 +9,7 @@ namespace xs { namespace test
     Expectation::Expectation(const nlohmann::json& object)
     : name_(object["command"].get<std::string>())
     {
-        params_ = object["params"];
+        request_ = object["param"];
 
         const auto& expect = object["expect"];
         response_ = expect["response"];
@@ -43,11 +43,11 @@ namespace xs { namespace test
             return false;
         }
 
-        if (!object.count("params")) {
+        if (!object.count("param")) {
             return false;
         }
 
-        if (!(object["params"].is_string() || object["params"].is_object())) {
+        if (!(object["param"].is_string() || object["param"].is_object())) {
             return false;
         }
 

src/test/Tester.cc

@@ -134,7 +134,7 @@ void Tester::run() noexcept
     for (const auto& expectation : config_.getExpectations()) {
         resetCounters();
 
-        const auto response = server_.runCmd(expectation.name_, expectation.params_.dump());
+        const auto response = server_.runCmd(expectation.name_, expectation.request_.dump());
 
         // wait 100ms for upcoming events
         using namespace std::chrono_literals;