test: enable shared setups for integration tests (#1036)

* test: improve integration invariants
* also removes unneeded fork logic
* adds checks to some invariants
* fixes some broken tests

* test(integration): enable shared setups

Author: wadealexc

src/test/integration/IntegrationBase.t.sol

@@ -142,7 +142,9 @@ abstract contract IntegrationBase is IntegrationDeployer, TypeImporter {
         assert_Snap_Added_OperatorShares(operator, strategies, addedShares, "_newRandomOperator: failed to award shares to operator");
         assertTrue(delegationManager.isOperator(address(operator)), "_newRandomOperator: operator should be registered");
 
-        assert_Snap_Added_Staker_DepositShares(operator, strategies, addedShares, "_newRandomOperator: failed to add delegatable shares");
+            assert_Snap_Added_Staker_DepositShares(operator, strategies, addedShares, "_newRandomOperator: failed to add delegatable shares");
+        }        
+        
         assert_Snap_Added_OperatorShares(operator, strategies, addedShares, "_newRandomOperator: failed to award shares to operator");
         assertTrue(delegationManager.isOperator(address(operator)), "_newRandomOperator: operator should be registered");
 
@@ -2863,13 +2865,8 @@ abstract contract IntegrationBase is IntegrationDeployer, TypeImporter {
     }
 
     function _getCheckpointPodBalanceGwei(User staker) internal view returns (uint64) {
-        if (forkType != LOCAL && !isUpgraded) {
-            IEigenPod_DeprecatedM2 pod = IEigenPod_DeprecatedM2(address(staker.pod()));
-            return uint64(pod.currentCheckpoint().podBalanceGwei);
-        } else {
-            EigenPod pod = staker.pod();
-            return uint64(pod.currentCheckpoint().podBalanceGwei);
-        }
+        EigenPod pod = staker.pod();
+        return uint64(pod.currentCheckpoint().podBalanceGwei);
     }
 
     function _getPrevCheckpointPodBalanceGwei(User staker) internal timewarp() returns (uint64) {