restore previous behavior of allowing std.testing.allocator
restore previous behavior of allowing std.testing.allocator

even outside of unit tests

raulgrell/zig,zig-lang/zig,raulgrell/zig,zig-lang/zig,andrewrk/zig,raulgrell/zig,raulgrell/zig,andrewrk/zig,raulgrell/zig,zig-lang/zig