Generate unique names less aggressively.

pkg/analyzer_experimental/test/generated/test_support.dart

Index: pkg/analyzer_experimental/test/generated/test_support.dart
diff --git a/pkg/analyzer_experimental/test/generated/test_support.dart b/pkg/analyzer_experimental/test/generated/test_support.dart
index a1b6a6c4ba80b4ecb07233c5fa83acaafafdffe9..6e85ac92ec4f3da2be3c712886d1d3a9ae8decca 100644
--- a/pkg/analyzer_experimental/test/generated/test_support.dart
+++ b/pkg/analyzer_experimental/test/generated/test_support.dart
@@ -216,9 +216,9 @@ class GatheringErrorListener implements AnalysisErrorListener {
    * @param errorCode the error code being searched for
    * @return {@code true} if an error with the given error code has been gathered
    */
-  bool hasError(ErrorCode errorCode5) {
+  bool hasError(ErrorCode errorCode2) {
     for (AnalysisError error in _errors) {
-      if (identical(error.errorCode, errorCode5)) {
+      if (identical(error.errorCode, errorCode2)) {
         return true;
       }
     }
@@ -287,15 +287,15 @@ class GatheringErrorListener implements AnalysisErrorListener {
     writer.print(expectedErrors.length);
     writer.print(" errors:");
     for (AnalysisError error in expectedErrors) {
-      Source source16 = error.source;
-      LineInfo lineInfo = _lineInfoMap[source16];
+      Source source2 = error.source;
+      LineInfo lineInfo = _lineInfoMap[source2];
       writer.newLine();
       if (lineInfo == null) {
-        int offset10 = error.offset;
-        writer.printf("  %s %s (%d..%d)", [source16 == null ? "" : source16.shortName, error.errorCode, offset10, offset10 + error.length]);
+        int offset2 = error.offset;
+        writer.printf("  %s %s (%d..%d)", [source2 == null ? "" : source2.shortName, error.errorCode, offset2, offset2 + error.length]);
       } else {
         LineInfo_Location location = lineInfo.getLocation(error.offset);
-        writer.printf("  %s %s (%d, %d/%d)", [source16 == null ? "" : source16.shortName, error.errorCode, location.lineNumber, location.columnNumber, error.length]);
+        writer.printf("  %s %s (%d, %d/%d)", [source2 == null ? "" : source2.shortName, error.errorCode, location.lineNumber, location.columnNumber, error.length]);
       }
     }
     writer.newLine();
@@ -303,15 +303,15 @@ class GatheringErrorListener implements AnalysisErrorListener {
     writer.print(_errors.length);
     writer.print(" errors:");
     for (AnalysisError error in _errors) {
-      Source source17 = error.source;
-      LineInfo lineInfo = _lineInfoMap[source17];
+      Source source3 = error.source;
+      LineInfo lineInfo = _lineInfoMap[source3];
       writer.newLine();
       if (lineInfo == null) {
-        int offset11 = error.offset;
-        writer.printf("  %s %s (%d..%d): %s", [source17 == null ? "" : source17.shortName, error.errorCode, offset11, offset11 + error.length, error.message]);
+        int offset3 = error.offset;
+        writer.printf("  %s %s (%d..%d): %s", [source3 == null ? "" : source3.shortName, error.errorCode, offset3, offset3 + error.length, error.message]);
       } else {
         LineInfo_Location location = lineInfo.getLocation(error.offset);
-        writer.printf("  %s %s (%d, %d/%d): %s", [source17 == null ? "" : source17.shortName, error.errorCode, location.lineNumber, location.columnNumber, error.length, error.message]);
+        writer.printf("  %s %s (%d, %d/%d): %s", [source3 == null ? "" : source3.shortName, error.errorCode, location.lineNumber, location.columnNumber, error.length, error.message]);
       }
     }
     JUnitTestCase.fail(writer.toString());