Fix test description

Author: cjbj

test/list.txt

@@ -804,7 +804,7 @@ Overview of node-oracledb functional tests
         67.1.3 can cache and retrieve an aliased pool
         67.1.4 throws an error if the poolAlias already exists in the cache
         67.1.5 does not throw an error if multiple pools are created without an alias
-        67.1.6 throws an error if poolAttrs.poolAlias is not a string or number
+        67.1.6 throws an error if poolAttrs.poolAlias is not a string
         67.1.7 makes poolAttrs.poolAlias a read-only attribute on the pool named alias
         67.1.8 retrieves the default pool, even after an aliased pool is created
         67.1.9 retrieves the right pool, even after multiple pools are created

test/poolCache.js

@@ -167,8 +167,8 @@ describe('67. poolCache.js', function() {
       });
     });
 
-    it('67.1.6 throws an error if poolAttrs.poolAlias is not a string or number', function(done) {
-      // Setting poolAlias to something other than a string or number. Could be
+    it('67.1.6 throws an error if poolAttrs.poolAlias is not a string', function(done) {
+      // Setting poolAlias to something other than a string. Could be
       // boolean, object, array, etc.
       dbConfig.poolAlias = {};