Fix inconsistent test naming

src/stack.zig

@@ -91,7 +91,7 @@ pub const FixedPushError = error {
     Overflow,
 };
 
-test "fixed stack" {
+test {
     const testing = std.testing;
     var buffer = std.mem.zeroes([4]u8);
     var stack = Fixed(u8){.buffer = &buffer};