fix comments: adjust some test cases

Author: xieyuschen

iceoryx2/src/service/static_config/message_type_details.rs

@@ -180,13 +180,13 @@ mod tests {
         };
         assert_that!(sut, eq expected);
 
-        let sut = MessageTypeDetails::from::<i32, bool, &[MyPayload]>(TypeVariant::Dynamic);
+        let sut = MessageTypeDetails::from::<i32, bool, i64>(TypeVariant::Dynamic);
         let expected = MessageTypeDetails {
             header: TypeDetail {
                 variant: TypeVariant::FixedSize,
                 type_name: "i32".to_string(),
                 size: 4,
-                alignment: ALIGNMENT,
+                alignment: 4,
             },
             user_header: TypeDetail {
                 variant: TypeVariant::FixedSize,
@@ -196,8 +196,8 @@ mod tests {
             },
             payload: TypeDetail {
                 variant: TypeVariant::Dynamic,
-                type_name: "&[iceoryx2::service::static_config::message_type_details::tests::test_from::MyPayload]".to_string(),
-                size: 16,
+                type_name: "i64".to_string(),
+                size: 8,
                 alignment: ALIGNMENT,
             },
         };
@@ -206,37 +206,37 @@ mod tests {
 
     #[test]
     fn test_user_header_ptr_from_header() {
-        let details = MessageTypeDetails::from::<i32, bool, String>(TypeVariant::Dynamic);
+        let details = MessageTypeDetails::from::<i32, bool, i64>(TypeVariant::Dynamic);
         #[repr(C)]
         struct Demo {
             header: i32,
             user_header: bool,
-            _payload: String,
+            _payload: i64,
         }
 
         let demo = Demo {
             header: 123,
             user_header: true,
-            _payload: "test".to_string(),
+            _payload: 123,
         };
 
         let ptr: *const u8 = &demo.header as *const _ as *const u8;
         let user_header_ptr = details.user_header_ptr_from_header(ptr);
         let sut: *const bool = user_header_ptr as *const bool;
         assert_that!(unsafe { *sut } , eq demo.user_header);
 
-        let details = MessageTypeDetails::from::<i64, i32, String>(TypeVariant::Dynamic);
+        let details = MessageTypeDetails::from::<i64, i32, i64>(TypeVariant::Dynamic);
         #[repr(C)]
         struct Demo2 {
             header: i64,
             user_header: i32,
-            _payload: String,
+            _payload: i64,
         }
 
         let demo = Demo2 {
             header: 123,
             user_header: 999,
-            _payload: "test".to_string(),
+            _payload: 123,
         };
 
         let ptr: *const u8 = &demo.header as *const _ as *const u8;