fix missing digit error translation

pkg/front_end/test/scanner_replacement_test.dart

Index: pkg/front_end/test/scanner_replacement_test.dart
diff --git a/pkg/front_end/test/scanner_replacement_test.dart b/pkg/front_end/test/scanner_replacement_test.dart
index 0eb401f4fb568d07a280304fb7d0c538fe89a5f8..171d943906d6aaf0ec019bb2d50ead2b5641ff37 100644
--- a/pkg/front_end/test/scanner_replacement_test.dart
+++ b/pkg/front_end/test/scanner_replacement_test.dart
@@ -96,20 +96,6 @@ class ScannerTest_Replacement extends ScannerTest {
 
   @override
   @failingTest
-  void test_double_missingDigitInExponent() {
-    // TODO(danrubel): investigate and fix
-    super.test_double_missingDigitInExponent();
-  }
-
-  @override
-  @failingTest
-  void test_hexidecimal_missingDigit() {
-    // TODO(danrubel): investigate and fix
-    super.test_hexidecimal_missingDigit();
-  }
-
-  @override
-  @failingTest
   void test_mismatched_closer() {
     // TODO(danrubel): investigate and fix
     super.test_mismatched_closer();