Fix for issue 18598

pkg/analyzer/test/generated/parser_test.dart

Index: pkg/analyzer/test/generated/parser_test.dart
diff --git a/pkg/analyzer/test/generated/parser_test.dart b/pkg/analyzer/test/generated/parser_test.dart
index afc5405422bb27fd197a7505847b6ba8976c06f4..45c7672f7b61d0667aca6e720e53ef69f52eb21e 100644
--- a/pkg/analyzer/test/generated/parser_test.dart
+++ b/pkg/analyzer/test/generated/parser_test.dart
@@ -4278,6 +4278,12 @@ class C {
         expression.leftOperand);
   }
 
+  void test_nonStringLiteralUri_import() {
+    ParserTestCase.parseCompilationUnit(
+        "import dart:io; class C {}",
+        [ParserErrorCode.NON_STRING_LITERAL_AS_URI]);
+  }
+
   void test_prefixExpression_missing_operand_minus() {
     PrefixExpression expression =
         ParserTestCase.parseExpression("-", [ParserErrorCode.MISSING_IDENTIFIER]);