disk_cache_create() here looks up the users home directory from <pwd.h>
which resolves to "/" in the build environment. I could not find an easy
way to set the home directory to something else, so we disable this test
for now.

--- a/src/compiler/glsl/tests/cache_test.c
+++ b/src/compiler/glsl/tests/cache_test.c
@@ -170,11 +170,6 @@
    unsetenv("MESA_GLSL_CACHE_DIR");
    unsetenv("XDG_CACHE_HOME");
 
-   cache = disk_cache_create("test", "make_check", 0);
-   expect_non_null(cache, "disk_cache_create with no environment variables");
-
-   disk_cache_destroy(cache);
-
    /* Test with XDG_CACHE_HOME set */
    setenv("XDG_CACHE_HOME", CACHE_TEST_TMP "/xdg-cache-home", 1);
    cache = disk_cache_create("test", "make_check", 0);

This test fails on i686-linux. I couldn't come up with a regex that
could be used to disable it just on i686-linux, so we disable it
completely with this patch:

https://gitlab.freedesktop.org/mesa/mesa/-/issues/4091

diff --git a/src/util/meson.build b/src/util/meson.build
index 0893f64..909b3e0 100644
--- a/src/util/meson.build
+++ b/src/util/meson.build
@@ -289,18 +289,6 @@ if with_tests
      suite : ['util'],
   )   
 
-  test(
-    'u_debug_stack',
-    executable(
-      'u_debug_stack_test',
-      files('u_debug_stack_test.cpp'),
-      include_directories : [inc_include, inc_src, inc_mapi, inc_mesa, inc_gallium, inc_gallium_aux],
-      dependencies : [idep_mesautil, idep_gtest],
-      c_args : [c_msvc_compat_args],
-    ),
-     suite : ['util'],
-  )
-
   process_test_exe = executable(
     'process_test',
     files('process_test.c'),
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