Fix for parsing empty compilation units with Fasta.

pkg/analyzer/test/generated/parser_fasta_test.dart

Index: pkg/analyzer/test/generated/parser_fasta_test.dart
diff --git a/pkg/analyzer/test/generated/parser_fasta_test.dart b/pkg/analyzer/test/generated/parser_fasta_test.dart
index 65f3d5a83ab3d04b429343700b74c50c7d0dc222..dab073055c258a592815945392f8983929e5ed86 100644
--- a/pkg/analyzer/test/generated/parser_fasta_test.dart
+++ b/pkg/analyzer/test/generated/parser_fasta_test.dart
@@ -1242,13 +1242,6 @@ class TopLevelParserTest_Fasta extends FastaParserTestCase
 
   @override
   @failingTest
-  void test_parseCompilationUnit_empty() {
-    // TODO(paulberry): No objects placed on stack
-    super.test_parseCompilationUnit_empty();
-  }
-
-  @override
-  @failingTest
   void test_parseCompilationUnit_exportAsPrefix() {
     // TODO(paulberry): As of commit 5de9108 this syntax is invalid.
     super.test_parseCompilationUnit_exportAsPrefix();
@@ -1299,13 +1292,6 @@ class TopLevelParserTest_Fasta extends FastaParserTestCase
 
   @override
   @failingTest
-  void test_parseDirectives_empty() {
-    // TODO(paulberry): No objects placed on stack
-    super.test_parseDirectives_empty();
-  }
-
-  @override
-  @failingTest
   void test_parseDirectives_mixed() {
     // TODO(paulberry,ahe): This test verifies the analyzer parser's ability to
     // stop parsing as soon as the first non-directive is encountered; this is