Update mangled names in test case

(cherry picked from commit 7082074)

Author: DougGregor

test/SourceKit/Macros/macro_basic.swift

@@ -131,7 +131,7 @@ macro anonymousTypes(_: () -> String) = #externalMacro(module: "MacroDefinition"
 // RUN: %sourcekitd-test -req=refactoring.expand.macro -pos=57:1 %s -- ${COMPILER_ARGS[@]} -parse-as-library | %FileCheck -check-prefix=EXPAND_MACRO_DECL %s
 // RUN: %sourcekitd-test -req=refactoring.expand.macro -pos=57:2 %s -- ${COMPILER_ARGS[@]} -parse-as-library | %FileCheck -check-prefix=EXPAND_MACRO_DECL %s
 // EXPAND_MACRO_DECL: source.edit.kind.active:
-// EXPAND_MACRO_DECL-NEXT: 57:1-57:28 (@__swiftmacro_9MacroUser33_70D4178875715FB9B8B50C58F66F8D53Ll14anonymousTypesfMf0_.swift) "class $s9MacroUser33_70D4178875715FB9B8B50C58F66F8D53Ll14anonymousTypesfMf0_4namefMu_ {
+// EXPAND_MACRO_DECL-NEXT: 57:1-57:28 (@__swiftmacro_9MacroUser33_70D4178875715FB9B8B50C58F66F8D53Ll14anonymousTypesfMf_.swift) "class $s9MacroUser33_70D4178875715FB9B8B50C58F66F8D53Ll14anonymousTypesfMf_4namefMu_ {
 // EXPAND_MACRO_DECL-NEXT:   func hello() -> String {
 // EXPAND_MACRO_DECL-NEXT:     "hello"
 // EXPAND_MACRO_DECL-NEXT:   }
@@ -140,15 +140,15 @@ macro anonymousTypes(_: () -> String) = #externalMacro(module: "MacroDefinition"
 // EXPAND_MACRO_DECL-NEXT:      return Self.self
 // EXPAND_MACRO_DECL-NEXT:   }
 // EXPAND_MACRO_DECL-NEXT: }
-// EXPAND_MACRO_DECL-NEXT: enum $s9MacroUser33_70D4178875715FB9B8B50C58F66F8D53Ll14anonymousTypesfMf0_4namefMu0_ {
+// EXPAND_MACRO_DECL-NEXT: enum $s9MacroUser33_70D4178875715FB9B8B50C58F66F8D53Ll14anonymousTypesfMf_4namefMu0_ {
 // EXPAND_MACRO_DECL-NEXT:   case apple
 // EXPAND_MACRO_DECL-NEXT:   case banana
 // EXPAND_MACRO_DECL-EMPTY:
 // EXPAND_MACRO_DECL-NEXT:   func hello() -> String {
 // EXPAND_MACRO_DECL-NEXT:     "hello"
 // EXPAND_MACRO_DECL-NEXT:   }
 // EXPAND_MACRO_DECL-NEXT: }
-// EXPAND_MACRO_DECL-NEXT: struct $s9MacroUser33_70D4178875715FB9B8B50C58F66F8D53Ll14anonymousTypesfMf0_4namefMu1_: Equatable {
+// EXPAND_MACRO_DECL-NEXT: struct $s9MacroUser33_70D4178875715FB9B8B50C58F66F8D53Ll14anonymousTypesfMf_4namefMu1_: Equatable {
 // EXPAND_MACRO_DECL-NEXT:   static func == (lhs: Self, rhs: Self) -> Bool {
 // EXPAND_MACRO_DECL-NEXT:     false
 // EXPAND_MACRO_DECL-NEXT:   }