Update HintQueryArgumentSpec.groovy

B/c the internal MongoDB error message has changed for bad hint

grails-datastore-gorm-mongodb/src/test/groovy/org/grails/datastore/gorm/mongo/HintQueryArgumentSpec.groovy

@@ -1,49 +1,56 @@
 package org.grails.datastore.gorm.mongo
+
 import com.mongodb.MongoException
+import com.mongodb.MongoQueryException
 import grails.gorm.CriteriaBuilder
 import grails.gorm.DetachedCriteria
 import grails.gorm.tests.GormDatastoreSpec
 import grails.gorm.tests.Person
+import org.bson.BsonString
 
 class HintQueryArgumentSpec extends GormDatastoreSpec {
 
     void "Test that hints work on criteria queries"() {
-        when:"A criteria query is created with a hint"
-            CriteriaBuilder c = Person.createCriteria()
-            c.list {
-                eq 'firstName', 'Bob'
-                arguments hint:["firstName":1]
-            }
-
-        then:"The query contains the hint"
-            c.query.@queryArguments == [hint:['firstName':1]]
-
-        when:"A dynamic finder uses a hint"
-            def results = Person.findAllByFirstName("Bob", [hint:"firstName"])
-            for(e in results) {} // just to trigger the query
-
-        then:"The hint is used"
-            MongoException exception = thrown()
-            exception.message.contains('bad hint')
-
-        when:"A dynamic finder uses a hint"
-            results = Person.findAllByFirstName("Bob", [hint:["firstName":1]])
-
-        then:"The hint is used"
-            results.size() == 0
-     }
+        when: "A criteria query is created with a hint"
+        CriteriaBuilder c = Person.createCriteria()
+        c.list {
+            eq 'firstName', 'Bob'
+            arguments hint: ["firstName": 1]
+        }
+
+        then: "The query contains the hint"
+        c.query.@queryArguments == [hint: ['firstName': 1]]
+
+        when: "A dynamic finder uses a hint"
+        def results = Person.findAllByFirstName("Bob", [hint: "firstName"])
+        // just to trigger the query
+        for (e in results) { }
+
+        then: "The hint is used"
+        MongoException exception = thrown()
+        exception instanceof MongoQueryException
+        ((MongoQueryException) exception).message.contains('BadValue')
+
+        when: "A dynamic finder uses a hint"
+        results = Person.findAllByFirstName("Bob", [hint: ["firstName": 1]])
+
+        then: "The hint is used"
+        results.size() == 0
+    }
 
     void "Test that hints work on detached criteria queries"() {
-        when:"A criteria query is created with a hint"
-            DetachedCriteria<Person> detachedCriteria = new DetachedCriteria<>(Person)
-            detachedCriteria = detachedCriteria.build {
-                eq 'firstName', 'Bob'
-            }
-
-            def results = detachedCriteria.list(hint:["firstName":"blah"])
-            for(e in results) {} // just to trigger the query
-        then:"The hint is used"
-            MongoException exception = thrown()
-            exception.message.contains('bad hint')
+        when: "A criteria query is created with a hint"
+        DetachedCriteria<Person> detachedCriteria = new DetachedCriteria<>(Person)
+        detachedCriteria = detachedCriteria.build {
+            eq 'firstName', 'Bob'
+        }
+
+        def results = detachedCriteria.list(hint: ["firstName": "blah"])
+        // just to trigger the query
+        for (e in results) { }
+        then: "The hint is used"
+        MongoException exception = thrown()
+        exception instanceof MongoQueryException
+        exception.message.contains('BadValue')
     }
 }