You should see something like this:
<...U-Boot banner...>
- Running 29 driver model tests
+ Running 53 driver model tests
Test: dm_test_autobind
Test: dm_test_autoprobe
+ Test: dm_test_bus_child_post_bind
+ Test: dm_test_bus_child_post_bind_uclass
+ Test: dm_test_bus_child_pre_probe_uclass
Test: dm_test_bus_children
- Device 'd-test': seq 3 is in use by 'b-test'
- Device 'c-test@0': seq 0 is in use by 'a-test'
- Device 'c-test@1': seq 1 is in use by 'd-test'
+ Device 'c-test@0': seq 0 is in use by 'd-test'
+ Device 'c-test@1': seq 1 is in use by 'f-test'
Test: dm_test_bus_children_funcs
Test: dm_test_bus_children_iterators
Test: dm_test_bus_parent_data
+ Test: dm_test_bus_parent_data_uclass
Test: dm_test_bus_parent_ops
+ Test: dm_test_bus_parent_platdata
+ Test: dm_test_bus_parent_platdata_uclass
Test: dm_test_children
+ Test: dm_test_device_get_uclass_id
+ Test: dm_test_eth
+ Using eth@10002000 device
+ Using eth@10003000 device
+ Using eth@10004000 device
+ Test: dm_test_eth_alias
+ Using eth@10002000 device
+ Using eth@10004000 device
+ Using eth@10002000 device
+ Using eth@10003000 device
+ Test: dm_test_eth_prime
+ Using eth@10003000 device
+ Using eth@10002000 device
+ Test: dm_test_eth_rotate
+
+ Error: eth@10004000 address not set.
+
+ Error: eth@10004000 address not set.
+ Using eth@10002000 device
+
+ Error: eth@10004000 address not set.
+
+ Error: eth@10004000 address not set.
+ Using eth@10004000 device
Test: dm_test_fdt
- Device 'd-test': seq 3 is in use by 'b-test'
Test: dm_test_fdt_offset
Test: dm_test_fdt_pre_reloc
Test: dm_test_fdt_uclass_seq
- Device 'd-test': seq 3 is in use by 'b-test'
- Device 'a-test': seq 0 is in use by 'd-test'
Test: dm_test_gpio
extra-gpios: get_value: error: gpio b5 not reserved
Test: dm_test_gpio_anon
Test: dm_test_gpio_copy
Test: dm_test_gpio_leak
extra-gpios: get_value: error: gpio b5 not reserved
+ Test: dm_test_gpio_phandles
Test: dm_test_gpio_requestf
+ Test: dm_test_i2c_bytewise
+ Test: dm_test_i2c_find
+ Test: dm_test_i2c_offset
+ Test: dm_test_i2c_offset_len
+ Test: dm_test_i2c_probe_empty
+ Test: dm_test_i2c_read_write
+ Test: dm_test_i2c_speed
Test: dm_test_leak
Test: dm_test_lifecycle
+ Test: dm_test_net_retry
+ Using eth@10004000 device
+ Using eth@10002000 device
+ Using eth@10004000 device
Test: dm_test_operations
Test: dm_test_ordering
+ Test: dm_test_pci_base
+ Test: dm_test_pci_swapcase
Test: dm_test_platdata
Test: dm_test_pre_reloc
Test: dm_test_remove
Test: dm_test_spi_find
Invalid chip select 0:0 (err=-19)
SF: Failed to get idcodes
- Device 'name-emul': seq 0 is in use by 'name-emul'
SF: Detected M25P16 with page size 256 Bytes, erase size 64 KiB, total 2 MiB
Test: dm_test_spi_flash
2097152 bytes written in 0 ms
SF: Detected M25P16 with page size 256 Bytes, erase size 64 KiB, total 2 MiB
Test: dm_test_uclass
Test: dm_test_uclass_before_ready
+ Test: dm_test_usb_base
+ Test: dm_test_usb_flash
+ USB-1: scanning bus 1 for devices... 2 USB Device(s) found
Failures: 0