The test assets were successfully sent to users who submitted an application.

Unit Protocol DApp (Rinkeby)
https://app.unit.xyz/
Uniswap (Rinkeby)
https://app.uniswap.org/

List of assets (Rinkeby: Ethereum Testnet)
COL, USDP, WETH, STAKE, STAKE/WETH (LP tokens), YFI, MKR, UMA, LEND, WBTC

Contract addresses to add custom tokens with Metamask:

COL
0x0F235462cA4a41EA92Fca6b7c4d67dAe0DA8d1D6
USDP
0x2905F3Dd1406797b6214Ee0654E2FB6e694C8773
WETH
0xc778417e063141139fce010982780140aa0cd5ab
STAKE
0xeED5B67BEf854D8Cb7FCa3e8220c54b3b48C461B
STAKE/WETH
0x1B50B21225c2C7B3449fF776C368d14D51d05c5a
YFI
0x62289C64a943416205142BDCcF1D752792A687e3
MKR
0xC5d9497Fd3fa13549026f2fC8048DbaE11D7114c
UMA
0xb34aDe076f9e5B40AaB8bD31694d37aec1C6f12F
LEND
0xd070437A0C4c97F4E2FF6EF9010DA2ec4fc830Eb
WBTC
0x03f1A5d11cB1C698d865756EBEdeb144898bB319