[INJI-314] [INJI-900] add jest testing config, mocks and sample unit tests for Inji (#1340)

* [INJI-314] initial commit

Signed-off-by: Sri Kanth Kola <srikanthsri7447@gmail.com>

* [INJI-314] add WIP ut stuff

Signed-off-by: Harsh Vardhan <harsh59v@gmail.com>

* [INJIMOB-314] fix tsconfig for project type

Signed-off-by: Harsh Vardhan <harsh59v@gmail.com>

* [INJIMOB-314] kludge - skip checking types during unit tests

* mock image imports globally
* enable tests to run from any dir

Signed-off-by: Harsh Vardhan <harsh59v@gmail.com>

* [INJIMOB-314]: mocked modules

Signed-off-by: srikanth716 <srikanthsri7447@gmail.com>

* [INJIMOB-314]: mock react-native-google-signin

Signed-off-by: srikanth716 <srikanthsri7447@gmail.com>

* [INJIMOB-314]: use defined mock from google-signin lib

other details:
- mock base58.., rn-linear-gradient, expo-camera
- add @react-native/assets-registry to make jest-expo babel preset work

Signed-off-by: Harsh Vardhan <harsh59v@gmail.com>

* [INJIMOB-314] reorganise global const mocks into jest's setupFiles

Co-authored-by: srikanth716 <srikanthsri7447@gmail.com>
Signed-off-by: Harsh Vardhan <harsh59v@gmail.com>

* [INJIMOB-900] write tests for ActivityLogEvent

* init relevant mocks
* remove redundant global mocks from test files

Signed-off-by: Harsh Vardhan <harsh59v@gmail.com>

* [INJIMOB-900] fixup mocks of mmkv, zip-archive, rnfs

Signed-off-by: Harsh Vardhan <harsh59v@gmail.com>

* [INJIMOB-900]: write unit test for commonUtil

Signed-off-by: srikanth716 <srikanthsri7447@gmail.com>

* [INJIMOB-900]: write unit test for commonUtil

Signed-off-by: srikanth716 <srikanthsri7447@gmail.com>

* [INJIMOB-900]: sample unit test for settingsScreen

Signed-off-by: srikanth716 <srikanthsri7447@gmail.com>

* [INJIMOB-900] add SettingScreen test

Signed-off-by: Harsh Vardhan <harsh59v@gmail.com>

* [INJIMOB-900] update sample tests for commonUtil

Signed-off-by: Harsh Vardhan <harsh59v@gmail.com>

* [INJIMOB-900]: refactoring the settingsScreen test for Android and IOS

Signed-off-by: srikanth716 <srikanthsri7447@gmail.com>

* [INJIMOB-900] update test snapshots and add kludge in auth for testing

kludge: auth state machine now exports a selector with optional fields
as state machine isn't running in a test environment

Co-authored-by: srikanth716 <srikanthsri7447@gmail.com>
Signed-off-by: Harsh Vardhan <harsh59v@gmail.com>

* [INJIMOB-900]: snapshot test to settings screen

Signed-off-by: srikanth716 <srikanthsri7447@gmail.com>

* [INJIMOB-900] update mocks for testing and ACK reviews

Signed-off-by: Harsh Vardhan <harsh59v@gmail.com>

* [INJIMOB-900] downgrade expo to match compatibility matrix

Signed-off-by: Harsh Vardhan <harsh59v@gmail.com>

* [INJIMOB-900] upgrade expo to 49 to build the iOS app(kludge)

Signed-off-by: Harsh Vardhan <harsh59v@gmail.com>

* [INJIMOB-900] configure react-native-vector-icons as per README

Signed-off-by: Harsh Vardhan <harsh59v@gmail.com>

---------

Signed-off-by: Sri Kanth Kola <srikanthsri7447@gmail.com>
Signed-off-by: Harsh Vardhan <harsh59v@gmail.com>
Signed-off-by: srikanth716 <srikanthsri7447@gmail.com>
Co-authored-by: Sri Kanth Kola <srikanthsri7447@gmail.com>

__mocks__/@react-native-community/netinfo.js

@@ -0,0 +1,9 @@
+const NetInfo = {
+  // Mock your methods or properties here
+  fetch: jest.fn(),
+  addEventListener: jest.fn(),
+  removeEventListener: jest.fn(),
+  // Add more mock methods or properties as needed
+};
+
+export default NetInfo;