Added mock debt tokens for test

contracts/mocks/upgradeability/MockStableDebtToken.sol

@@ -0,0 +1,19 @@
+pragma solidity ^0.6.8;
+
+import {StableDebtToken} from '../../tokenization/StableDebtToken.sol';
+import {LendingPool} from '../../lendingpool/LendingPool.sol';
+import '@nomiclabs/buidler/console.sol';
+
+contract MockStableDebtToken is StableDebtToken {
+  constructor(
+    address _pool,
+    address _underlyingAssetAddress,
+    string memory _tokenName,
+    string memory _tokenSymbol
+  ) public StableDebtToken(_pool, _underlyingAssetAddress, _tokenName, _tokenSymbol) {}
+
+  function getRevision() internal override pure returns (uint256) {
+    return 0x2;
+  }
+
+}

contracts/mocks/upgradeability/MockVariableDebtToken.sol

@@ -0,0 +1,19 @@
+pragma solidity ^0.6.8;
+
+import {VariableDebtToken} from '../../tokenization/VariableDebtToken.sol';
+import {LendingPool} from '../../lendingpool/LendingPool.sol';
+import '@nomiclabs/buidler/console.sol';
+
+contract MockVariableDebtToken is VariableDebtToken {
+  constructor(
+    address _pool,
+    address _underlyingAssetAddress,
+    string memory _tokenName,
+    string memory _tokenSymbol
+  ) public VariableDebtToken(_pool, _underlyingAssetAddress, _tokenName, _tokenSymbol) {}
+
+  function getRevision() internal override pure returns (uint256) {
+    return 0x2;
+  }
+
+}

contracts/tokenization/StableDebtToken.sol

@@ -68,16 +68,18 @@ contract StableDebtToken is IStableDebtToken, DebtTokenBase {
     uint256 _balanceIncrease
   );
 
-  constructor(address _pool, address _underlyingAsset)
-    public
-    DebtTokenBase(_pool, _underlyingAsset)
-  {}
+  constructor(
+    address _pool,
+    address _underlyingAsset,
+    string memory _name,
+    string memory _symbol
+  ) public DebtTokenBase(_pool, _underlyingAsset, _name, _symbol) {}
 
   /**
    * @dev gets the revision of the stable debt token implementation
    * @return the debt token implementation revision
    **/
-  function getRevision() internal override pure returns(uint256) {
+  function getRevision() internal virtual override pure returns (uint256) {
     return DEBT_TOKEN_REVISION;
   }
 

contracts/tokenization/VariableDebtToken.sol

@@ -60,20 +60,21 @@ contract VariableDebtToken is DebtTokenBase, IVariableDebtToken {
     uint256 _index
   );
 
-  constructor(address _pool, address _underlyingAsset)
-    public
-    DebtTokenBase(_pool, _underlyingAsset)
-  {}
+  constructor(
+    address _pool,
+    address _underlyingAsset,
+    string memory _name,
+    string memory _symbol
+  ) public DebtTokenBase(_pool, _underlyingAsset, _name, _symbol) {}
 
   /**
    * @dev gets the revision of the stable debt token implementation
    * @return the debt token implementation revision
    **/
-  function getRevision() internal virtual override pure returns(uint256) {
+  function getRevision() internal virtual override pure returns (uint256) {
     return DEBT_TOKEN_REVISION;
   }
 
-
   /**
    * @dev calculates the accumulated debt balance of the user
    * @return the debt balance of the user

contracts/tokenization/base/DebtTokenBase.sol

@@ -6,7 +6,9 @@ import {SafeMath} from '@openzeppelin/contracts/math/SafeMath.sol';
 import {Address} from '@openzeppelin/contracts/utils/Address.sol';
 import {ILendingPoolAddressesProvider} from '../../interfaces/ILendingPoolAddressesProvider.sol';
 import {LendingPool} from '../../lendingpool/LendingPool.sol';
-import {VersionedInitializable} from '../../libraries/openzeppelin-upgradeability/VersionedInitializable.sol';
+import {
+  VersionedInitializable
+} from '../../libraries/openzeppelin-upgradeability/VersionedInitializable.sol';
 
 /**
  * @title contract DebtTokenBase
@@ -36,10 +38,18 @@ abstract contract DebtTokenBase is IERC20, VersionedInitializable {
     _;
   }
 
-  constructor(address _pool, address _underlyingAssetAddress) public {
+  constructor(
+    address _pool,
+    address _underlyingAssetAddress,
+    string memory _name,
+    string memory _symbol
+  ) public {
     pool = LendingPool(payable(_pool));
-    underlyingAssetAddress = _underlyingAssetAddress; 
+    underlyingAssetAddress = _underlyingAssetAddress;
+    name = _name;
+    symbol = _symbol;
   }
+
   /**
    * @dev initializes the debt token.
    * @param _name the name of the token

helpers/contracts-helpers.ts

@@ -256,13 +256,14 @@ export const deployDefaultReserveInterestRateStrategy = async ([
 export const deployStableDebtToken = async ([
   name,
   symbol,
-  decimals,
   underlyingAsset,
   poolAddress,
 ]: [string, string, string, tEthereumAddress, tEthereumAddress]) => {
   const token = await deployContract<StableDebtToken>(eContractid.StableDebtToken, [
     poolAddress,
     underlyingAsset,
+    name, 
+    symbol
   ]);
 
   return token;
@@ -271,13 +272,14 @@ export const deployStableDebtToken = async ([
 export const deployVariableDebtToken = async ([
   name,
   symbol,
-  decimals,
   underlyingAsset,
   poolAddress,
 ]: [string, string, string, tEthereumAddress, tEthereumAddress]) => {
   const token = await deployContract<VariableDebtToken>(eContractid.VariableDebtToken, [
     poolAddress,
     underlyingAsset,
+    name, 
+    symbol
   ]);
 
   return token;

test/__setup.spec.ts

@@ -224,7 +224,6 @@ const initReserves = async (
       const stableDebtToken = await deployStableDebtToken([
         `Aave stable debt bearing ${assetSymbol === "WETH" ? "ETH" : assetSymbol}`,
         `stableDebt${assetSymbol === "WETH" ? "ETH" : assetSymbol}`,
-        reserveDecimals,
         tokenAddress,
         lendingPool.address,
       ]);
@@ -232,7 +231,6 @@ const initReserves = async (
       const variableDebtToken = await deployVariableDebtToken([
         `Aave variable debt bearing ${assetSymbol === "WETH" ? "ETH" : assetSymbol}`,
         `variableDebt${assetSymbol === "WETH" ? "ETH" : assetSymbol}`,
-        reserveDecimals,
         tokenAddress,
         lendingPool.address,
       ]);