better completions in switch statements

pkg/analysis_server/test/services/completion/completion_test_util.dart

Index: pkg/analysis_server/test/services/completion/completion_test_util.dart
diff --git a/pkg/analysis_server/test/services/completion/completion_test_util.dart b/pkg/analysis_server/test/services/completion/completion_test_util.dart
index 249e1c03a36d3828edb6c6ace4ef987a1fcc76f4..ef721e0a0561e368b3444de3bbed562c23180e42 100644
--- a/pkg/analysis_server/test/services/completion/completion_test_util.dart
+++ b/pkg/analysis_server/test/services/completion/completion_test_util.dart
@@ -3986,6 +3986,35 @@ abstract class AbstractSelectorSuggestionTest extends AbstractCompletionTest {
     });
   }
 
+  test_SwitchStatement_c() {
+    // SwitchStatement  Block  BlockFunctionBody  MethodDeclaration
+    addTestSource('class A {String g(int x) {switch(x) {c^}}}');
+    computeFast();
+    return computeFull((bool result) {
+      assertNoSuggestions();
+    });
+  }
+
+  test_SwitchStatement_case() {
+    // SwitchStatement  Block  BlockFunctionBody  MethodDeclaration
+    addTestSource('class A {String g(int x) {switch(x) {case 0: ^}}}');
+    computeFast();
+    return computeFull((bool result) {
+      assertSuggestLocalClass('A');
+      assertSuggestLocalMethod('g', 'A', 'String');
+      assertSuggestImportedClass('String');
+    });
+  }
+
+  test_SwitchStatement_empty() {
+    // SwitchStatement  Block  BlockFunctionBody  MethodDeclaration
+    addTestSource('class A {String g(int x) {switch(x) {^}}}');
+    computeFast();
+    return computeFull((bool result) {
+      assertNoSuggestions();
+    });
+  }
+
   test_ThisExpression_block() {
     // MethodInvocation  ExpressionStatement  Block
     addTestSource('''