How can I manipulate asset prices in a test/forked environment to test out an Aave liquidation contract?

Question

Answer

These are the steps to update an asset oracle:

1. Deploy a mock oracle with the new price passed by constructor 
2. Call to AaveOracle contract to the method `setAssetSources` with the underlying asset address and the new MockAggregator contract address;

*1. Mock aggregator [code](https://github.com/aave/aave-v3-core/blob/1aae831f9c25f6dbfe30770b69fbe74366bdbb32/contracts/mocks/oracle/CLAggregators/MockAggregator.sol
);  
*2. [Method ](https://github.com/aave/aave-v3-core/blob/e0bfed13240adeb7f05cb6cbe5e7ce78657f0621/contracts/misc/AaveOracle.sol#L64)`setAssetSouces `at Aave Oracle;

How can I manipulate asset prices in a test/forked environment to test out a liquidation contract?

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