util/tests/cache_test: Skip Cache.List if not supported

FOZ_DB_UTIL_DYNAMIC_LIST depends on inotify support

Fixes: 3b69b67545 ("util/fossilize_db: add runtime RO foz db loading via FOZ_DBS_DYNAMIC_LIST")

Signed-off-by: Juston Li <justonli@google.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20865>

src/util/tests/cache_test.cpp

@@ -1027,6 +1027,9 @@ TEST_F(Cache, List)
 
 #ifndef ENABLE_SHADER_CACHE
    GTEST_SKIP() << "ENABLE_SHADER_CACHE not defined.";
+#else
+#ifndef FOZ_DB_UTIL_DYNAMIC_LIST
+   GTEST_SKIP() << "FOZ_DB_UTIL_DYNAMIC_LIST not supported";
 #else
    setenv("MESA_DISK_CACHE_SINGLE_FILE", "true", 1);
 
@@ -1162,5 +1165,6 @@ TEST_F(Cache, List)
 
    int err = rmrf_local(CACHE_TEST_TMP);
    EXPECT_EQ(err, 0) << "Removing " CACHE_TEST_TMP " again";
-#endif
+#endif /* FOZ_DB_UTIL_DYNAMIC_LIST */
+#endif /* ENABLE_SHADER_CACHE */
 }