enable passing behavior test

This was fixed by 8a0a6b7

Closes #13279

Author: Vexu

test/behavior/vector.zig

@@ -1128,8 +1128,12 @@ test "byte vector initialized in inline function" {
 }
 
 test "byte vector initialized in inline function" {
-    // TODO https://github.com/ziglang/zig/issues/13279
-    if (true) return error.SkipZigTest;
+    if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
+    if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
+    if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
+    if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
+    if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
     const S = struct {
         fn boolx4(e0: bool, e1: bool, e2: bool, e3: bool) @Vector(4, bool) {