refactor: use speculoos for all test assertions

tests/map_builder.rs

@@ -1,13 +1,14 @@
 use glam::Vec2;
 use pacman::constants::{CELL_SIZE, RAW_BOARD};
 use pacman::map::builder::Map;
+use speculoos::prelude::*;
 
 #[test]
 fn test_map_creation() {
     let map = Map::new(RAW_BOARD).unwrap();
 
-    assert!(map.graph.nodes().count() > 0);
-    assert!(!map.grid_to_node.is_empty());
+    assert_that(&map.graph.nodes().count()).is_greater_than(0);
+    assert_that(&map.grid_to_node.is_empty()).is_false();
 
     // Check that some connections were made
     let mut has_connections = false;
@@ -17,7 +18,7 @@ fn test_map_creation() {
             break;
         }
     }
-    assert!(has_connections);
+    assert_that(&has_connections).is_true();
 }
 
 #[test]
@@ -31,6 +32,6 @@ fn test_map_node_positions() {
             (grid_pos.y as i32 * CELL_SIZE as i32) as f32,
         ) + Vec2::splat(CELL_SIZE as f32 / 2.0);
 
-        assert_eq!(node.position, expected_pos);
+        assert_that(&node.position).is_equal_to(expected_pos);
     }
 }