diff --git a/src/compiler/glsl/tests/cache_test.c b/src/compiler/glsl/tests/cache_test.c
index dd11fd5944f..3edd88b06a1 100644
--- a/src/compiler/glsl/tests/cache_test.c
+++ b/src/compiler/glsl/tests/cache_test.c
@@ -182,6 +182,20 @@ wait_until_file_written(struct disk_cache *cache, const cache_key key)
    }
 }
 
+static void *
+cache_exists(struct disk_cache *cache)
+{
+   uint8_t dummy_key[20];
+   char *data = "some test data";
+
+   if (!cache)
+      return NULL;
+
+   disk_cache_put(cache, dummy_key, data, sizeof(data), NULL);
+   wait_until_file_written(cache, dummy_key);
+   return disk_cache_get(cache, dummy_key, NULL);
+}
+
 #define CACHE_TEST_TMP "./cache-test-tmp"
 
 static void
@@ -213,12 +227,13 @@ test_disk_cache_create(void)
    /* 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);
-   expect_null(cache, "disk_cache_create with XDG_CACHE_HOME set with"
-               "a non-existing parent directory");
+   expect_null(cache_exists(cache), "disk_cache_create with XDG_CACHE_HOME set "
+               "with a non-existing parent directory");
 
    mkdir(CACHE_TEST_TMP, 0755);
    cache = disk_cache_create("test", "make_check", 0);
-   expect_non_null(cache, "disk_cache_create with XDG_CACHE_HOME set");
+   expect_non_null(cache_exists(cache), "disk_cache_create with XDG_CACHE_HOME "
+                   "set");
 
    check_directories_created(CACHE_TEST_TMP "/xdg-cache-home/"
                              CACHE_DIR_NAME);
@@ -231,12 +246,13 @@ test_disk_cache_create(void)
 
    setenv("MESA_GLSL_CACHE_DIR", CACHE_TEST_TMP "/mesa-glsl-cache-dir", 1);
    cache = disk_cache_create("test", "make_check", 0);
-   expect_null(cache, "disk_cache_create with MESA_GLSL_CACHE_DIR set with"
-               "a non-existing parent directory");
+   expect_null(cache_exists(cache), "disk_cache_create with MESA_GLSL_CACHE_DIR"
+               " set with a non-existing parent directory");
 
    mkdir(CACHE_TEST_TMP, 0755);
    cache = disk_cache_create("test", "make_check", 0);
-   expect_non_null(cache, "disk_cache_create with MESA_GLSL_CACHE_DIR set");
+   expect_non_null(cache_exists(cache), "disk_cache_create with "
+                   "MESA_GLSL_CACHE_DIR set");
 
    check_directories_created(CACHE_TEST_TMP "/mesa-glsl-cache-dir/"
                              CACHE_DIR_NAME);