Error: transaction failed [ CALL_EXCEPTION ] on UniswapV2Pair

[vbhattac45]

I am getting an error on the uniswap v2-core test suite on a private geth testnet taken from here. Any idea on how to resolve this error. I have made sure the accounts have balance

  UniswapV2Pair
    1) "before each" hook for "getInputPrice:0"


  0 passing (41s)
  1 failing

  1) UniswapV2Pair
       "before each" hook for "getInputPrice:0":
     Error: transaction failed [ See: https://links.ethers.org/v5-errors-CALL_EXCEPTION ] (transactionHash="0x9aa364d3b2a84e7a01f5deb96f1fb2e615d87d4f9f2d2bd83286540b31ca7626", transaction={"nonce":2,"gasPrice":{"type":"BigNumber","hex":"0x3b9aca00"},"gasLimit":{"type":"BigNumber","hex":"0x0f4240"},"to":null,"value":{"type":"BigNumber","hex":"0x00"},"data":"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code=CALL_EXCEPTION, version=providers/5.7.2)
      at Logger.makeError (node_modules/@ethersproject/logger/src.ts/index.ts:269:28)
      at Logger.throwError (node_modules/@ethersproject/logger/src.ts/index.ts:281:20)
      at JsonRpcProvider.<anonymous> (node_modules/@ethersproject/providers/src.ts/base-provider.ts:1549:24)
      at step (node_modules/@ethersproject/providers/lib/base-provider.js:48:23)
      at Object.next (node_modules/@ethersproject/providers/lib/base-provider.js:29:53)
      at fulfilled (node_modules/@ethersproject/providers/lib/base-provider.js:20:58)