Merge pull request #89 from morpho-org/test/enforce-chainid

enforce chain id is 1 in tests

Author: MathisGD

test/MorphoChainlinkOracleV2FactoryTest.sol

@@ -13,6 +13,7 @@ contract ChainlinkOracleFactoryTest is Test {
 
     function setUp() public {
         vm.createSelectFork(vm.envString("ETH_RPC_URL"));
+        require(block.chainid == 1, "chain isn't Ethereum");
         factory = new MorphoChainlinkOracleV2Factory();
     }
 

test/MorphoChainlinkOracleV2Test.sol

@@ -11,6 +11,7 @@ contract MorphoChainlinkOracleV2Test is Test {
 
     function setUp() public {
         vm.createSelectFork(vm.envString("ETH_RPC_URL"));
+        require(block.chainid == 1, "chain isn't Ethereum");
     }
 
     function testOracleWbtcUsdc() public {

test/WstEthStEthExchangeRateChainlinkAdapterTest.sol

@@ -14,6 +14,7 @@ contract WstEthStEthExchangeRateChainlinkAdapterTest is Test {
 
     function setUp() public {
         vm.createSelectFork(vm.envString("ETH_RPC_URL"));
+        require(block.chainid == 1, "chain isn't Ethereum");
         adapter = new WstEthStEthExchangeRateChainlinkAdapter();
         morphoOracle = new MorphoChainlinkOracleV2(
             vaultZero, 1, AggregatorV3Interface(address(adapter)), feedZero, 18, vaultZero, 1, feedZero, feedZero, 18