--- exercises/102_testing.zig	2025-10-24 12:54:56
+++ answers/102_testing.zig	2025-10-24 12:56:33
@@ -71,7 +71,7 @@
 // The corresponding test is not much different from the previous one. Except
 // that it contains an error that you need to correct.
 test "sub" {
-    try testing.expect(sub(10, 5) == 6);
+    try testing.expect(sub(10, 5) == 5);
 
     try testing.expect(sub(3, 1.5) == 1.5);
 }
@@ -92,5 +92,5 @@
 
     // Now we test if the function returns an error if we pass a zero as
     // denominator. But which error needs to be tested?
-    try testing.expectError(error.???, divide(15, 0));
+    try testing.expectError(error.DivisionByZero, divide(15, 0));
 }