[test] Fix the endianness related test failures

Author: Max Moiseev

test/IDE/complete_exception.swift

@@ -227,8 +227,8 @@ func test015() {
 }
 // Check that we can complete on the bound value; Not exhaustive..
 // INT_DOT: Begin completions
-// INT_DOT-DAG: Decl[InstanceVar]/CurrNominal:      bigEndian[#Int32#]; name=bigEndian
-// INT_DOT-DAG: Decl[InstanceVar]/CurrNominal:      littleEndian[#Int32#]; name=littleEndian
+// INT_DOT-DAG: Decl[InstanceVar]/Super:      bigEndian[#(Int32)#]; name=bigEndian
+// INT_DOT-DAG: Decl[InstanceVar]/Super:      littleEndian[#(Int32)#]; name=littleEndian
 // INT_DOT: End completions
 
 //===--- Inside catch body top-level

test/IDE/complete_literal.swift

@@ -10,8 +10,8 @@
   1.#^LITERAL1^#
 }
 // LITERAL1:          Begin completions
-// LITERAL1-DAG:      Decl[InstanceVar]/CurrNominal:      bigEndian[#Int#]; name=bigEndian{{$}}
-// LITERAL1-DAG:      Decl[InstanceVar]/CurrNominal:      littleEndian[#Int#]; name=littleEndian{{$}}
+// LITERAL1-DAG:      Decl[InstanceVar]/Super:            bigEndian[#Int#]; name=bigEndian{{$}}
+// LITERAL1-DAG:      Decl[InstanceVar]/Super:            littleEndian[#Int#]; name=littleEndian{{$}}
 // LITERAL1-DAG:      Decl[InstanceVar]/CurrNominal:      byteSwapped[#Int#]; name=byteSwapped{{$}}
 // LITERAL1-DAG:      Decl[InstanceVar]/CurrNominal:      nonzeroBitCount[#Int#]; name=nonzeroBitCount{{$}}