Tomandersen/count test (#1206)

* Fix linking

* Cleanup

* Responding to PR comments.

* Rename

* Rename

* Fixup constructor/assignment parameter naming.

* Add Test

* Format

* Add test

* Add test

* Format

* Recognize NaN filter probelm

* Add tests

* Add tests

* Add tests

* Test is_valid()

* Add constructor and assignment tests.

* Rename variable

* Format

* Remove extra semicolon

* Add self move assignment test

* Format

* Simplify

Author: tom-andersen

.gitignore

@@ -19,7 +19,7 @@ gcs_key_file.json
 
 # Folders for cmake/test output
 *_build/
-*cmake-build-debug/
+cmake-build-*/
 testing/test_framework/external/
 
 # XCode user specific folders

firestore/integration_test_internal/CMakeLists.txt

@@ -91,6 +91,8 @@ set(FIREBASE_INTEGRATION_TEST_PORTABLE_TEST_SRCS
     # public API are performed.
     src/integration_test.cc
     # Internal tests below.
+    src/aggregate_query_snapshot_test.cc
+    src/aggregate_query_test.cc
     src/bundle_test.cc
     src/collection_reference_test.cc
     src/cursor_test.cc