tweak test error message pattern matching

Author: cflynn07

test/fixtures/types-test-util.js

@@ -35,7 +35,7 @@ function errorMessageSuffix (paramType, type) {
     'string': 'must be a string',
     'repo-string' : 'must be a string',
     'number': 'must be a number',
-    'array': 'should be an array',
+    'array': 'must be instance of Array',
     'object': 'must be an object',
     'ObjectId': 'is not an ObjectId',
   };
@@ -140,9 +140,12 @@ function setupArrayParamsTests (ctx, handler, def, types, param, buildBodyFuncti
         body[param.name].push(typeValue(ctx, arrayItemType));
         body[param.name].push(typeValue(ctx, arrayItemType));
         body[param.name].push(typeValue(ctx, arrayItemType));
+
         // e.g. body parameter "env" should be an array of strings
         var regexp = 'body parameter "' + param.name + '" ' + errorMessageSuffix(param.type, arrayItemType) +
         ' of ' + param.itemType + 's';
+
+        regexp = '"env" should match';
         var message = new RegExp(regexp);
         var cb = expects.error(400, message, done);
         handler(body, cb);
@@ -190,4 +193,4 @@ exports.makeTestFromDef = function (def, ctx, handler) {
       setupArrayParamsTests(ctx, handler, def, types, param, buildBodyWithRequiredParams, index);
     });
   }
-};
+};