diff --git a/src/main.rs b/src/main.rs
index 44f7559..9751538 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -609,48 +609,53 @@ mod tests {
 
     #[test]
     fn parse_command() {
-        let mut map = HeaderMap::new();
-        map.add_raw("X-Gitea-Event", "something");
+        let mut headers = HeaderMap::new();
+        headers.add_raw("X-Gitea-Event", "something");
 
         assert_eq!(
-            replace_parameters("command", &map, &serde_json::Value::Null).unwrap(),
+            replace_parameters("command", &headers, &serde_json::Value::Null).unwrap(),
             "command"
         );
 
         assert_eq!(
-            replace_parameters("    command", &map, &serde_json::Value::Null).unwrap(),
+            replace_parameters("    command", &headers, &serde_json::Value::Null).unwrap(),
             "    command"
         );
 
         assert_eq!(
-            replace_parameters("command    ", &map, &serde_json::Value::Null).unwrap(),
+            replace_parameters("command    ", &headers, &serde_json::Value::Null).unwrap(),
             "command    "
         );
 
         assert_eq!(
-            replace_parameters("    command    ", &map, &serde_json::Value::Null).unwrap(),
+            replace_parameters("    command    ", &headers, &serde_json::Value::Null).unwrap(),
             "    command    "
         );
 
         assert_eq!(
-            replace_parameters("command command    ", &map, &serde_json::Value::Null).unwrap(),
+            replace_parameters("command command    ", &headers, &serde_json::Value::Null).unwrap(),
             "command command    "
         );
 
         assert_eq!(
-            replace_parameters("{{ /foo }}   command", &map, &json!({ "foo": "bar" })).unwrap(),
+            replace_parameters("{{ /foo }}   command", &headers, &json!({ "foo": "bar" })).unwrap(),
             "bar   command"
         );
 
         assert_eq!(
-            replace_parameters("   command  {{ /foo }}  ", &map, &json!({ "foo": "bar" })).unwrap(),
+            replace_parameters(
+                "   command  {{ /foo }}  ",
+                &headers,
+                &json!({ "foo": "bar" })
+            )
+            .unwrap(),
             "   command  bar  "
         );
 
         assert_eq!(
             replace_parameters(
                 "{{ /foo }}   command{{/field1/foo}}",
-                &map,
+                &headers,
                 &json!({ "foo": "bar", "field1": { "foo": "baz" } })
             )
             .unwrap(),
@@ -658,14 +663,19 @@ mod tests {
         );
 
         assert_eq!(
-            replace_parameters("   command  {{ /foo }}  ", &map, &json!({ "foo": "bar" })).unwrap(),
+            replace_parameters(
+                "   command  {{ /foo }}  ",
+                &headers,
+                &json!({ "foo": "bar" })
+            )
+            .unwrap(),
             "   command  bar  "
         );
 
         assert_eq!(
             replace_parameters(
                 "   {{ /field1/foo }}   command",
-                &map,
+                &headers,
                 &json!({ "field1": { "foo": "bar" } })
             )
             .unwrap(),
@@ -675,7 +685,7 @@ mod tests {
         assert_eq!(
             replace_parameters(
                 "   {{ header X-Gitea-Event }}   command",
-                &map,
+                &headers,
                 &json!({ "field1": { "foo": "bar" } })
             )
             .unwrap(),