improving tests

test/functions.zig

@@ -44,7 +44,12 @@ test "Simple function calls" {
         defer allocator.free(shader);
         const code = try compileNzsl(allocator, shader);
         defer allocator.free(code);
-        try case.expectOutput(T, 4, code, "color", &.{ n, n, n, n });
+        try case.expect(.{
+            .source = code,
+            .expected_outputs = &.{
+                std.mem.asBytes(&[_]T{ n, n, n, n }),
+            },
+        });
     }
 }
 
@@ -95,6 +100,11 @@ test "Nested function calls" {
         defer allocator.free(shader);
         const code = try compileNzsl(allocator, shader);
         defer allocator.free(code);
-        try case.expectOutput(T, 4, code, "color", &.{ n, n, n, n });
+        try case.expect(.{
+            .source = code,
+            .expected_outputs = &.{
+                std.mem.asBytes(&[_]T{ n, n, n, n }),
+            },
+        });
     }
 }