diff --git a/fs/btrfs/tests/extent-buffer-tests.c b/fs/btrfs/tests/extent-buffer-tests.c
index 74c7975882d17c30f1bd1cae40b7c5c12fe062d4..83814b769bdeb069f605aa694134104a53569ad0 100644
--- a/fs/btrfs/tests/extent-buffer-tests.c
+++ b/fs/btrfs/tests/extent-buffer-tests.c
@@ -36,7 +36,7 @@ static int test_btrfs_split_item(u32 sectorsize, u32 nodesize)
 
 	root = btrfs_alloc_dummy_root(fs_info);
 	if (IS_ERR(root)) {
-		test_err("could not allocate root");
+		test_std_err(TEST_ALLOC_ROOT);
 		ret = PTR_ERR(root);
 		goto out;
 	}
diff --git a/fs/btrfs/tests/free-space-tests.c b/fs/btrfs/tests/free-space-tests.c
index 2051e1a191042fece07ffd48e2db352a7c217da1..8dcdefab1280ea8859581cc92711c8b5c253fc6d 100644
--- a/fs/btrfs/tests/free-space-tests.c
+++ b/fs/btrfs/tests/free-space-tests.c
@@ -854,6 +854,7 @@ int btrfs_test_free_space_cache(u32 sectorsize, u32 nodesize)
 
 	root = btrfs_alloc_dummy_root(fs_info);
 	if (IS_ERR(root)) {
+		test_std_err(TEST_ALLOC_ROOT);
 		ret = PTR_ERR(root);
 		goto out;
 	}
diff --git a/fs/btrfs/tests/free-space-tree-tests.c b/fs/btrfs/tests/free-space-tree-tests.c
index 49fbf73c7f2b8e75ed62796d907514ae92d9caba..79b5d0c97b7b2d867c1e21b659a1787941209345 100644
--- a/fs/btrfs/tests/free-space-tree-tests.c
+++ b/fs/btrfs/tests/free-space-tree-tests.c
@@ -451,7 +451,7 @@ static int run_test(test_func_t test_func, int bitmaps, u32 sectorsize,
 
 	root = btrfs_alloc_dummy_root(fs_info);
 	if (IS_ERR(root)) {
-		test_err("couldn't allocate dummy root");
+		test_std_err(TEST_ALLOC_ROOT);
 		ret = PTR_ERR(root);
 		goto out;
 	}
diff --git a/fs/btrfs/tests/inode-tests.c b/fs/btrfs/tests/inode-tests.c
index 510365370d81200be688502f8f44b53978d30076..5803f342c47b30e6e6e15a1a64867c977449e5ea 100644
--- a/fs/btrfs/tests/inode-tests.c
+++ b/fs/btrfs/tests/inode-tests.c
@@ -244,7 +244,7 @@ static noinline int test_btrfs_get_extent(u32 sectorsize, u32 nodesize)
 
 	root = btrfs_alloc_dummy_root(fs_info);
 	if (IS_ERR(root)) {
-		test_err("couldn't allocate root");
+		test_std_err(TEST_ALLOC_ROOT);
 		goto out;
 	}
 
@@ -845,7 +845,7 @@ static int test_hole_first(u32 sectorsize, u32 nodesize)
 
 	root = btrfs_alloc_dummy_root(fs_info);
 	if (IS_ERR(root)) {
-		test_err("couldn't allocate root");
+		test_std_err(TEST_ALLOC_ROOT);
 		goto out;
 	}
 
@@ -941,7 +941,7 @@ static int test_extent_accounting(u32 sectorsize, u32 nodesize)
 
 	root = btrfs_alloc_dummy_root(fs_info);
 	if (IS_ERR(root)) {
-		test_err("couldn't allocate root");
+		test_std_err(TEST_ALLOC_ROOT);
 		goto out;
 	}
 
diff --git a/fs/btrfs/tests/qgroup-tests.c b/fs/btrfs/tests/qgroup-tests.c
index c620f68462be8934ff241a628fc4c322f4027d16..7e25a3a9f9799377109b52a9dfe0b900e29d9072 100644
--- a/fs/btrfs/tests/qgroup-tests.c
+++ b/fs/btrfs/tests/qgroup-tests.c
@@ -463,7 +463,7 @@ int btrfs_test_qgroups(u32 sectorsize, u32 nodesize)
 
 	root = btrfs_alloc_dummy_root(fs_info);
 	if (IS_ERR(root)) {
-		test_err("couldn't allocate root");
+		test_std_err(TEST_ALLOC_ROOT);
 		ret = PTR_ERR(root);
 		goto out;
 	}
@@ -495,7 +495,7 @@ int btrfs_test_qgroups(u32 sectorsize, u32 nodesize)
 
 	tmp_root = btrfs_alloc_dummy_root(fs_info);
 	if (IS_ERR(tmp_root)) {
-		test_err("couldn't allocate a fs root");
+		test_std_err(TEST_ALLOC_ROOT);
 		ret = PTR_ERR(tmp_root);
 		goto out;
 	}
@@ -510,7 +510,7 @@ int btrfs_test_qgroups(u32 sectorsize, u32 nodesize)
 
 	tmp_root = btrfs_alloc_dummy_root(fs_info);
 	if (IS_ERR(tmp_root)) {
-		test_err("couldn't allocate a fs root");
+		test_std_err(TEST_ALLOC_ROOT);
 		ret = PTR_ERR(tmp_root);
 		goto out;
 	}