test: fix bounds in the revert conditions

Author: QGarchery

test/TestPercentageMath.sol

@@ -9,7 +9,7 @@ contract TestPercentageMath is Test {
     uint256 internal constant PERCENTAGE_FACTOR = 100_00;
     uint256 internal constant HALF_PERCENTAGE_FACTOR = 50_00;
 
-    uint256 internal constant MAX_UINT256_PERCENT_UP = type(uint256).max - PERCENTAGE_FACTOR - 1;
+    uint256 internal constant MAX_UINT256_PERCENT_UP = type(uint256).max - (PERCENTAGE_FACTOR - 1);
     uint256 internal constant MAX_UINT256_PERCENT_HALF_UP = type(uint256).max - HALF_PERCENTAGE_FACTOR;
 
     PercentageMathMock mock;

test/TestWadRayMath.sol

@@ -13,10 +13,10 @@ contract TestWadRayMath is Test {
     uint256 internal constant RAY_WAD_RATIO = RAY / WAD;
     uint256 internal constant HALF_RAY_WAD_RATIO = RAY_WAD_RATIO / 2;
 
-    uint256 internal constant MAX_UINT256_WAD_UP = type(uint256).max - WAD - 1;
+    uint256 internal constant MAX_UINT256_WAD_UP = type(uint256).max - (WAD - 1);
     uint256 internal constant MAX_UINT256_WAD_HALF_UP = type(uint256).max - HALF_WAD;
 
-    uint256 internal constant MAX_UINT256_RAY_UP = type(uint256).max - RAY - 1;
+    uint256 internal constant MAX_UINT256_RAY_UP = type(uint256).max - (RAY - 1);
     uint256 internal constant MAX_UINT256_RAY_HALF_UP = type(uint256).max - HALF_RAY;
 
     WadRayMathMock mock;