Add fixes for two additional lints

pkg/analysis_server/test/services/correction/fix_test.dart

Index: pkg/analysis_server/test/services/correction/fix_test.dart
diff --git a/pkg/analysis_server/test/services/correction/fix_test.dart b/pkg/analysis_server/test/services/correction/fix_test.dart
index 42f4d3dacebe5110e9f5422f3e96a138052108eb..cc1f3ff50bc7048d94390adbba20f9a7714bc2bc 100644
--- a/pkg/analysis_server/test/services/correction/fix_test.dart
+++ b/pkg/analysis_server/test/services/correction/fix_test.dart
@@ -5561,6 +5561,21 @@ class LintFixTest extends BaseFixProcessorTest {
         new LintCode(lintCode, '<ignored>'));
   }
 
+  test_addRequiredAnnotation() async {
+    String src = '''
+void function({String /*LINT*/param}) {
+  assert(param != null);
+}
+''';
+    await findLint(src, LintNames.always_require_non_null_named_parameters);
+    await applyFix(DartFixKind.LINT_ADD_REQUIRED);
+    verifyResult('''
+void function({@required String param}) {
+  assert(param != null);
+}
+''');
+  }
+
   test_lint_addMissingOverride_field() async {
     String src = '''
 class abstract Test {
@@ -5795,6 +5810,49 @@ bad() async {
 ''');
   }
 
+  test_removeEmptyElse_newLine() async {
+    String src = '''
+void foo(bool cond) {
+  if (cond) {
+    //
+  }
+  else /*LINT*/;
+}
+''';
+    await findLint(src, LintNames.avoid_empty_else);
+
+    await applyFix(DartFixKind.REMOVE_EMPTY_ELSE);
+
+    verifyResult('''
+void foo(bool cond) {
+  if (cond) {
+    //
+  }
+}
+''');
+  }
+
+  test_removeEmptyElse_sameLine() async {
+    String src = '''
+void foo(bool cond) {
+  if (cond) {
+    //
+  } else /*LINT*/;

[scheglov, 2017/08/29 17:05:22]

Is the lint reported for empty else blocks?

[Brian Wilkerson, 2017/08/29 17:16:46]

It isn't currently, but I think it should be.

+}
+''';
+    await findLint(src, LintNames.avoid_empty_else);
+
+    await applyFix(DartFixKind.REMOVE_EMPTY_ELSE);
+
+    verifyResult('''
+void foo(bool cond) {
+  if (cond) {
+    //
+  }
+}
+''');
+  }
+
   test_removeEmptyStatement_insideBlock() async {
     String src = '''
 void foo() {