Update all tests

tests/corelib_strong/big_integer_arith_vm_test.dart

Index: tests/corelib_strong/big_integer_arith_vm_test.dart
diff --git a/tests/corelib_strong/big_integer_arith_vm_test.dart b/tests/corelib_strong/big_integer_arith_vm_test.dart
index b9696b427beff4e6b92b5feff445f7dc2923496a..46a896a238035ad2c639603d3a0cae506c3c115b 100644
--- a/tests/corelib_strong/big_integer_arith_vm_test.dart
+++ b/tests/corelib_strong/big_integer_arith_vm_test.dart
@@ -421,18 +421,18 @@ main() {
   for (int i = 0; i < 10; i++) {
     Expect.equals(1234567890123456789, foo());
     Expect.equals(12345678901234567890, bar());
-    testSmiOverflow();  /// overflow: ok
-    testBigintAdd();  /// add: ok
-    testBigintSub();  /// sub: ok
-    testBigintMul();  /// mul: ok
-    testBigintTruncDiv();  /// trunDiv: ok
-    testBigintDiv();  /// div: ok
-    testBigintModulo();  /// mod: ok
-    testBigintModPow();  /// modPow: ok
-    testBigintModInverse();  /// modInv: ok
-    testBigintGcd();  /// gcd: ok
-    testBigintNegate();  /// negate: ok
-    testShiftAmount();  /// shift: ok
+    testSmiOverflow();  //# overflow: ok
+    testBigintAdd();  //# add: ok
+    testBigintSub();  //# sub: ok
+    testBigintMul();  //# mul: ok
+    testBigintTruncDiv();  //# trunDiv: ok
+    testBigintDiv();  //# div: ok
+    testBigintModulo();  //# mod: ok
+    testBigintModPow();  //# modPow: ok
+    testBigintModInverse();  //# modInv: ok
+    testBigintGcd();  //# gcd: ok
+    testBigintNegate();  //# negate: ok
+    testShiftAmount();  //# shift: ok
     Expect.equals(12345678901234567890, (12345678901234567890).abs());
     Expect.equals(12345678901234567890, (-12345678901234567890).abs());
     var a = 10000000000000000000;