Enable conditional directives by default.

pkg/analyzer/test/generated/parser_test.dart

Index: pkg/analyzer/test/generated/parser_test.dart
diff --git a/pkg/analyzer/test/generated/parser_test.dart b/pkg/analyzer/test/generated/parser_test.dart
index 9fc01e2f679cacd8396356c1dcf7f1619c680482..132a8824e6b894ac0e115bfb8806d7af0d8e2a18 100644
--- a/pkg/analyzer/test/generated/parser_test.dart
+++ b/pkg/analyzer/test/generated/parser_test.dart
@@ -2748,12 +2748,6 @@ class ParserTestCase extends EngineTestCase {
   bool parseAsync = true;
 
   /**
-   * A flag indicating whether conditional directives support should be enabled
-   * for a specific test.
-   */
-  bool enableConditionalDirectives = false;
-
-  /**
    * A flag indicating whether generic method support should be enabled for a
    * specific test.
    */
@@ -2815,7 +2809,6 @@ class ParserTestCase extends EngineTestCase {
     //
     Parser parser = createParser(listener);
     parser.parseAsync = parseAsync;
-    parser.parseConditionalDirectives = enableConditionalDirectives;
     parser.parseGenericMethods = enableGenericMethods;
     parser.parseGenericMethodComments = enableGenericMethodComments;
     parser.parseFunctionBodies = parseFunctionBodies;
@@ -2946,7 +2939,6 @@ class ParserTestCase extends EngineTestCase {
     Parser parser = createParser(listener);
     parser.parseAsync = parseAsync;
     parser.parseFunctionBodies = parseFunctionBodies;
-    parser.parseConditionalDirectives = enableConditionalDirectives;
     parser.parseGenericMethods = enableGenericMethods;
     parser.parseGenericMethodComments = enableGenericMethodComments;
     CompilationUnit unit = parser.parseCompilationUnit(token);
@@ -7227,7 +7219,6 @@ void''');
   }
 
   void test_parseExportDirective_configuration_multiple() {
-    enableConditionalDirectives = true;
     ExportDirective directive = parse(
         "parseExportDirective",
         <Object>[emptyCommentAndMetadata()],
@@ -7242,7 +7233,6 @@ void''');
   }
 
   void test_parseExportDirective_configuration_single() {
-    enableConditionalDirectives = true;
     ExportDirective directive = parse(
         "parseExportDirective",
         <Object>[emptyCommentAndMetadata()],
@@ -8433,7 +8423,6 @@ void''');
   }
 
   void test_parseImportDirective_configuration_multiple() {
-    enableConditionalDirectives = true;
     ImportDirective directive = parse(
         "parseImportDirective",
         <Object>[emptyCommentAndMetadata()],
@@ -8451,7 +8440,6 @@ void''');
   }
 
   void test_parseImportDirective_configuration_single() {
-    enableConditionalDirectives = true;
     ImportDirective directive = parse(
         "parseImportDirective",
         <Object>[emptyCommentAndMetadata()],