chore: use fmt to update examples

examples/acceptance_tests/script_context/validators/basic.ak

@@ -28,7 +28,7 @@ fn assert_purpose(purpose) {
       ref.transaction_id == TransactionId(
         #"0000000000000000000000000000000000000000000000000000000000000000",
       ) && ref.output_index == 0
-    _ -> error @"script purpose isn't 'Spend'"
+    _ -> fail @"script purpose isn't 'Spend'"
   }
 }
 
@@ -49,6 +49,6 @@ fn assert_outputs(transaction) {
         output.reference_script == None,
       ]
         |> list.and
-    _ -> error @"unexpected number of outputs"
+    _ -> fail @"unexpected number of outputs"
   }
 }

examples/acceptance_tests/script_context/validators/deploy.ak

@@ -40,7 +40,7 @@ fn assert_outputs(outputs) {
   when outputs is {
     [output_1, output_2, ..] ->
       assert_first_output(output_1) && assert_second_output(output_2)
-    _ -> error @"expected transaction to have (at least) 2 outputs"
+    _ -> fail @"expected transaction to have (at least) 2 outputs"
   }
 }
 
@@ -67,7 +67,7 @@ fn assert_second_output(output) {
     ),
     when output.datum is {
       InlineDatum(_) -> True
-      _ -> error @"expected inline datum"
+      _ -> fail @"expected inline datum"
     },
   ]
     |> list.and

examples/acceptance_tests/script_context/validators/mint.ak

@@ -29,7 +29,7 @@ fn assert_mint(purpose, transaction) {
   let tokens = value.tokens(transaction.mint, policy_id)
 
   when dict.get(tokens, #"666f6f") is {
-    None -> error @"token not found"
+    None -> fail @"token not found"
     Some(quantity) -> quantity == 1337
   }
 }

examples/acceptance_tests/script_context/validators/withdrawals.ak

@@ -23,11 +23,11 @@ validator {
 
     [
       when dict.get(ctx.transaction.withdrawals, alice) is {
-        None -> error @"alice's withdrawal not found"
+        None -> fail @"alice's withdrawal not found"
         Some(value) -> value == 42
       },
       when dict.get(ctx.transaction.withdrawals, bob) is {
-        None -> error @"bob's withdrawal not found"
+        None -> fail @"bob's withdrawal not found"
         Some(value) -> value == 14
       },
       dict.keys(ctx.transaction.withdrawals) == [alice, bob],