Improve error messages and add many corrections

pkg/analyzer/test/generated/compile_time_error_code_test.dart

Index: pkg/analyzer/test/generated/compile_time_error_code_test.dart
diff --git a/pkg/analyzer/test/generated/compile_time_error_code_test.dart b/pkg/analyzer/test/generated/compile_time_error_code_test.dart
index e03cba6db8f4d39ba7bea312c9fde85a0fd5d8ba..35dea2a8f20c4e1499ea673ddb3160f3c3c53184 100644
--- a/pkg/analyzer/test/generated/compile_time_error_code_test.dart
+++ b/pkg/analyzer/test/generated/compile_time_error_code_test.dart
@@ -48,15 +48,6 @@ f(x) sync* {
     verify([source]);
   }
 
-  void fail_compileTimeConstantRaisesException() {
-    Source source = addSource(r'''
-''');
-    computeLibrarySourceErrors(source);
-    assertErrors(
-        source, [CompileTimeErrorCode.COMPILE_TIME_CONSTANT_RAISES_EXCEPTION]);
-    verify([source]);
-  }
-
   void fail_constEvalThrowsException() {
     Source source = addSource(r'''
 class C {
@@ -6168,8 +6159,9 @@ main() {
     assertErrors(source, [CompileTimeErrorCode.URI_DOES_NOT_EXIST]);
 
     // Check that the file is represented as missing.
-    Source target =
-        analysisContext2.getSourcesWithFullName(resourceProvider.convertPath("/target.dart")).first;
+    Source target = analysisContext2
+        .getSourcesWithFullName(resourceProvider.convertPath("/target.dart"))
+        .first;
     expect(analysisContext2.getModificationStamp(target), -1);
 
     // Add an overlay in the same way as AnalysisServer.