chore: add descriptive names to test vars.

Author: l-monninger

protocol-units/settlement/mcr/contracts/test/MCR.t.sol

@@ -257,9 +257,11 @@ contract MCRTest is Test {
         // dishonest signers
         dishonestSigners.push(signer3);
 
-        for (uint i = 0; i < 50; i++) {
+        uint reorgs = 50;
+        for (uint i = 0; i < reorgs; i++) {
 
-            for(uint j = 0; j < 10; j++) {
+            uint commitmentHeights = 10;
+            for(uint j = 0; j < commitmentHeights; j++) {
 
                 uint256 blockHeight = i * 10 + j + 1;
                 blockTime += 1;