Annotate analyzer tests with @ReflectiveTestCase().

pkg/analyzer/test/generated/scanner_test.dart

Index: pkg/analyzer/test/generated/scanner_test.dart
diff --git a/pkg/analyzer/test/generated/scanner_test.dart b/pkg/analyzer/test/generated/scanner_test.dart
index 6ae9341fd5523742a42675aef6afa67f5a3dd6e8..05cf06123095f7479bfe327e4cc2ffbdb110cb9f 100644
--- a/pkg/analyzer/test/generated/scanner_test.dart
+++ b/pkg/analyzer/test/generated/scanner_test.dart
@@ -20,6 +20,7 @@ main() {
   runReflectiveTests(TokenTypeTest);
 }
 
+@ReflectiveTestCase()
 class CharSequenceReaderTest {
   void test_advance() {
     CharSequenceReader reader = new CharSequenceReader("x");
@@ -123,6 +124,7 @@ class CharacterRangeReaderTest extends EngineTestCase {
   }
 }
 
+@ReflectiveTestCase()
 class KeywordStateTest {
   void test_KeywordState() {
     //
@@ -166,6 +168,7 @@ class KeywordStateTest {
   }
 }
 
+@ReflectiveTestCase()
 class ScannerTest {
   void fail_incomplete_string_interpolation() {
     // https://code.google.com/p/dart/issues/detail?id=18073
@@ -1338,6 +1341,7 @@ class TokenStreamValidator {
   }
 }
 
+@ReflectiveTestCase()
 class TokenTypeTest extends EngineTestCase {
   void test_isOperator() {
     expect(TokenType.AMPERSAND.isOperator, isTrue);