[Test] Update cursor info test to actually check result

Neither cursor info result was actually being checked here. Update to
make sure the function is given back in both cases.

Author: bnbarham

test/SourceKit/CursorInfo/cursor_after_edit.swift

@@ -9,5 +9,11 @@
 // RUN:   -req=open -text-input %t/empty.swift %t/func.swift -- %t/func.swift == \
 // RUN:   -req=edit -offset=0 -length=0 -replace="func foo() {}" -req-opts=enablesyntaxmap=0,enablesubstructure=0,enablediagnostics=0 %t/func.swift -- %t/func.swift == \
 // RUN:   -req=cursor -offset=5 %t/func.swift -- %t/func.swift == \
-// RUN:   -req=edit -offset=0 -length=0 -replace="// some comment\n" -req-opts=enablesyntaxmap=0,enablesubstructure=0,enablediagnostics=0 %t/func.swift -- %t/func.swift == \
-// RUN:   -req=cursor -offset=21 %t/func.swift -- %t/func.swift
+// RUN:   -req=edit -offset=0 -length=0 -replace="/* some comment */ " -req-opts=enablesyntaxmap=0,enablesubstructure=0,enablediagnostics=0 %t/func.swift -- %t/func.swift == \
+// RUN:   -req=cursor -offset=24 %t/func.swift -- %t/func.swift | %FileCheck %s
+
+// CHECK: source.lang.swift.decl.function.free
+// CHECK: foo()
+
+// CHECK: source.lang.swift.decl.function.free
+// CHECK: foo()