Change Node.js unit test require.

src/main/resources/com/google/api/codegen/nodejs/test.snip

@@ -24,7 +24,7 @@
 @private header(apiTest)
   var assert = require('assert');
   @if apiTest.fileHeader.hasVersion
-    var {@apiTest.apiWrapperModuleName} = require('../src/').{@apiTest.fileHeader.version}();
+    var {@apiTest.apiWrapperModuleName} = require('../src/{@apiTest.fileHeader.version}')();
   @else
     var {@apiTest.apiWrapperModuleName} = require('../src/')();
   @end

src/test/java/com/google/api/codegen/testdata/nodejs_test_library.baseline

@@ -16,7 +16,7 @@
  */
 
 var assert = require('assert');
-var libraryV1 = require('../src/').v1();
+var libraryV1 = require('../src/v1')();
 var through2 = require('through2');
 
 var FAKE_STATUS_CODE = 1;