chore: Address clippy warnings (#2246)

chore: clippy fixes

crates/noirc_frontend/src/hir/resolution/resolver.rs

@@ -1570,7 +1570,7 @@ mod test {
         let mut all_captures: Vec<Vec<String>> = Vec::new();
         for func in program.functions {
             let id = interner.push_fn(HirFunction::empty());
-            interner.push_function_definition(func.name().clone().to_string(), id);
+            interner.push_function_definition(func.name().to_string(), id);
             path_resolver.insert_func(func.name().to_owned(), id);
 
             let resolver = Resolver::new(&mut interner, &path_resolver, &def_maps, file);
@@ -1613,7 +1613,7 @@ mod test {
                 }
                 HirStatement::Error => panic!("Invalid HirStatement!"),
             }
-            get_lambda_captures(expr, &interner, result); // TODO: dyn filter function as parameter
+            get_lambda_captures(expr, interner, result); // TODO: dyn filter function as parameter
         }
     }
 
@@ -1632,7 +1632,7 @@ mod test {
 
             // Check for other captures recursively within the lambda body
             let hir_body_expr = interner.expression(&lambda_expr.body);
-            if let HirExpression::Block(block_expr) = hir_body_expr.clone() {
+            if let HirExpression::Block(block_expr) = hir_body_expr {
                 parse_statement_blocks(block_expr.statements(), interner, result);
             }
         }
@@ -1820,7 +1820,7 @@ mod test {
         let errors = resolve_src_code(src, vec!["main", "foo"]);
         if !errors.is_empty() {
             println!("Unexpected errors: {:?}", errors);
-            assert!(false); // there should be no errors
+            unreachable!("there should be no errors");
         }
     }
 
@@ -1857,8 +1857,7 @@ mod test {
 
           "#;
         let parsed_captures = get_program_captures(src);
-        let mut expected_captures = vec![];
-        expected_captures.push(vec!["y".to_string()]);
+        let expected_captures = vec![vec!["y".to_string()]];
         assert_eq!(expected_captures, parsed_captures);
     }
 
@@ -1893,7 +1892,7 @@ mod test {
         assert!(errors.is_empty());
         if !errors.is_empty() {
             println!("Unexpected errors: {:?}", errors);
-            assert!(false); // there should be no errors
+            unreachable!("there should be no errors");
         }
 
         let expected_captures = vec![