Fix unit tests.

driver-sync/src/test/unit/com/mongodb/client/gridfs/GridFSFindIterableSpecification.groovy

@@ -130,12 +130,13 @@ class GridFSFindIterableSpecification extends Specification {
  , null),
  ]
  def cursor = {
+ def batchToReturn = cannedResults.collect();
  Stub(BatchCursor) {
  def count = 0
  def results
  def getResult = {
  count++
- results = count == 1 ? cannedResults : null
+ results = count == 1 ? batchToReturn : null
  results
  }
  next() >> {

driver-sync/src/test/unit/com/mongodb/client/internal/ChangeStreamIterableSpecification.groovy

@@ -160,8 +160,8 @@ class ChangeStreamIterableSpecification extends Specification {
  def cannedResults = ['{_id: {_data: 1}}', '{_id: {_data: 2}}', '{_id: {_data: 3}}'].collect {
  RawBsonDocument.parse(it)
  }
- def executor = new TestOperationExecutor([cursor(cannedResults), cursor(cannedResults), cursor(cannedResults),
- cursor(cannedResults)])
+ def executor = new TestOperationExecutor([cursor(cannedResults.collect()), cursor(cannedResults.collect()), cursor(cannedResults.collect()),
+ cursor(cannedResults.collect())])
  def mongoIterable = new ChangeStreamIterableImpl(null, namespace, codecRegistry, readPreference, readConcern, executor, [],
  Document, ChangeStreamLevel.COLLECTION, true, TIMEOUT_SETTINGS)
 
@@ -208,8 +208,8 @@ class ChangeStreamIterableSpecification extends Specification {
  given:
  def count = 0
  def cannedResults = ['{_id: { _data: 1}}', '{_id: {_data: 2}}', '{_id: {_data: 3}}'].collect { RawBsonDocument.parse(it) }
- def executor = new TestOperationExecutor([cursor(cannedResults), cursor(cannedResults), cursor(cannedResults),
- cursor(cannedResults)])
+ def executor = new TestOperationExecutor([cursor(cannedResults.collect()), cursor(cannedResults.collect()), cursor(cannedResults.collect()),
+ cursor(cannedResults.collect())])
  def mongoIterable = new ChangeStreamIterableImpl(null, namespace, codecRegistry, readPreference, readConcern, executor, [],
  Document, ChangeStreamLevel.COLLECTION, true, TIMEOUT_SETTINGS).withDocumentClass(RawBsonDocument)
 

driver-sync/src/test/unit/com/mongodb/client/internal/DistinctIterableSpecification.groovy

@@ -128,12 +128,13 @@ class DistinctIterableSpecification extends Specification {
  given:
  def cannedResults = [new Document('_id', 1), new Document('_id', 2), new Document('_id', 3)]
  def cursor = {
+ def batchToReturn = cannedResults.collect()
  Stub(BatchCursor) {
  def count = 0
  def results
  def getResult = {
  count++
- results = count == 1 ? cannedResults : null
+ results = count == 1 ? batchToReturn : null
  results
  }
  next() >> {

driver-sync/src/test/unit/com/mongodb/client/internal/FindIterableSpecification.groovy

@@ -221,11 +221,12 @@ class FindIterableSpecification extends Specification {
  def cannedResults = [new Document('_id', 1), new Document('_id', 2), new Document('_id', 3)]
  def cursor = {
  Stub(BatchCursor) {
+ def batchToReturn = cannedResults.collect()
  def count = 0
  def results
  def getResult = {
  count++
- results = count == 1 ? cannedResults : null
+ results = count == 1 ? batchToReturn : null
  results
  }
  next() >> {

driver-sync/src/test/unit/com/mongodb/client/internal/ListCollectionsIterableSpecification.groovy

@@ -127,12 +127,13 @@ class ListCollectionsIterableSpecification extends Specification {
  given:
  def cannedResults = [new Document('_id', 1), new Document('_id', 2), new Document('_id', 3)]
  def cursor = {
+ def batchToReturn = cannedResults.collect()
  Stub(BatchCursor) {
  def count = 0
  def results
  def getResult = {
  count++
- results = count == 1 ? cannedResults : null
+ results = count == 1 ? batchToReturn : null
  results
  }
  next() >> {

driver-sync/src/test/unit/com/mongodb/client/internal/ListDatabasesIterableSpecification.groovy

@@ -83,12 +83,13 @@ class ListDatabasesIterableSpecification extends Specification {
  given:
  def cannedResults = [new Document('_id', 1), new Document('_id', 2), new Document('_id', 3)]
  def cursor = {
+ def batchToReturn = cannedResults.collect()
  Stub(BatchCursor) {
  def count = 0
  def results
  def getResult = {
  count++
- results = count == 1 ? cannedResults : null
+ results = count == 1 ? batchToReturn : null
  results
  }
  next() >> {

driver-sync/src/test/unit/com/mongodb/client/internal/ListIndexesIterableSpecification.groovy

@@ -105,11 +105,12 @@ class ListIndexesIterableSpecification extends Specification {
  def cannedResults = [new Document('_id', 1), new Document('_id', 2), new Document('_id', 3)]
  def cursor = {
  Stub(BatchCursor) {
+ def batchToReturn = cannedResults.collect()
  def count = 0
  def results
  def getResult = {
  count++
- results = count == 1 ? cannedResults : null
+ results = count == 1 ? batchToReturn : null
  results
  }
  next() >> {

driver-sync/src/test/unit/com/mongodb/client/internal/MapReduceIterableSpecification.groovy

@@ -255,12 +255,13 @@ class MapReduceIterableSpecification extends Specification {
  given:
  def cannedResults = [new Document('_id', 1), new Document('_id', 2), new Document('_id', 3)]
  def cursor = {
+ def batchToReturn = cannedResults.collect()
  Stub(BatchCursor) {
  def count = 0
  def results
  def getResult = {
  count++
- results = count == 1 ? cannedResults : null
+ results = count == 1 ? batchToReturn : null
  results
  }
  next() >> {