Use expected-error

Author: ApolloZhu

include/swift/AST/DiagnosticsSema.def

@@ -7327,7 +7327,7 @@ ERROR(macro_attached_to_invalid_decl,none,
       "'%0' macro cannot be attached to %1 (%base2)",
       (StringRef, DescriptiveDeclKind, const Decl *))
 ERROR(macro_as_default_argument, none,
-      "non-built-in macro cannot be used as the default argument",
+      "non-built-in macro cannot be used as default argument",
       ())
 ERROR(conformance_macro,none,
       "conformance macros are replaced by extension macros",

test/Macros/macro_default_argument.swift

@@ -3,7 +3,7 @@
 // RUN: %empty-directory(%t)
 // RUN: %host-build-swift -swift-version 5 -emit-library -o %t/%target-library-name(MacroDefinition) -module-name=MacroDefinition %S/Inputs/syntax_macro_definitions.swift -g -no-toolchain-stdlib-rpath
 
-// RUN: not %target-build-swift -typecheck -swift-version 5 -load-plugin-library %t/%target-library-name(MacroDefinition) %s 2>&1 | %FileCheck %s
+// RUN: %target-typecheck-verify-swift -swift-version 5 -load-plugin-library %t/%target-library-name(MacroDefinition) %s
 
 @freestanding(expression)
 macro MagicLine() -> Int = #externalMacro(module: "MacroDefinition", type: "MagicLineMacro")
@@ -24,9 +24,9 @@ func builtInOkay(line: Int = #line) {
     print(line)
 }
 
-// CHECK: non-built-in macro cannot be used as the default argument
+// expected-error@+1{{non-built-in macro cannot be used as default argument}}
 func asDefaultArgument(line: Int = #MagicLine) {
     print(line)
 }
 
-testAsDefaultArgument()
+asDefaultArgument()