diff --git a/backend/app/coordinator/routes/enrollments.py b/backend/app/coordinator/routes/enrollments.py
index a776879..eeda48f 100644
--- a/backend/app/coordinator/routes/enrollments.py
+++ b/backend/app/coordinator/routes/enrollments.py
@@ -132,6 +132,60 @@ def create_term_of_defence(examination_schedule_id: int, data: dict) -> dict:
     return {"message": "Term of defence was created!"}
 
 
+@bp.post('/<int:examination_schedule_id>/add-term-of-defences/')
+@bp.input(TermOfDefenceSchema)
+@bp.output(MessageSchema)
+def create_many_term_of_defences(examination_schedule_id: int, data: dict) -> dict:
+    if not data:
+        abort(400, "You have passed empty data!")
+
+    ex = get_examination_schedule_by_id(examination_schedule_id)
+
+    yg_id = ex.year_group_id
+    project_supervisors_ids = data.pop('project_supervisors')
+    project_supervisors = ProjectSupervisor.query.filter(
+        or_(*[ProjectSupervisor.id == i for i in project_supervisors_ids])).filter(YearGroup.id == yg_id).all()
+
+    if len(project_supervisors) != len(project_supervisors_ids):
+        abort(404, "Project Supervisors didn't exist!")
+
+    start_date = data['start_date']
+    end_date = data['end_date']
+    if not (ex.start_date.timestamp() <= start_date.timestamp() and ex.end_date.timestamp() >= end_date.timestamp()):
+        abort(400, "Invalid date range!")
+
+    if end_date <= start_date:
+        abort(400, "End date must be greater than start date!")
+
+    delta_time = end_date - start_date
+    delta_time_in_minutes = delta_time.total_seconds() / 60
+    if delta_time_in_minutes % ex.duration_time != 0:
+        abort(400, "Invalid duration time!")
+
+    td = TermOfDefence.query.filter(TermOfDefence.examination_schedule_id == examination_schedule_id). \
+        filter(
+        or_(and_(TermOfDefence.start_date >= start_date,
+                 TermOfDefence.start_date < end_date,
+                 TermOfDefence.end_date >= end_date),
+            and_(TermOfDefence.start_date <= start_date,
+                 TermOfDefence.end_date > start_date,
+                 TermOfDefence.end_date <= end_date))).first()
+
+    if td is not None:
+        abort(400, "This term of defence is taken! You choose other date!")
+
+    # create many here
+    dates = generate_range_dates(start_date, end_date, ex.duration_time)
+    for start_date in dates:
+        end_date = start_date + datetime.timedelta(minutes=ex.duration_time)
+
+        td = TermOfDefence(start_date=start_date, end_date=end_date, examination_schedule_id=examination_schedule_id)
+        td.members_of_committee = project_supervisors
+        db.session.add(td)
+    db.session.commit()
+    return {"message": "Term of defences was created!"}
+
+
 @bp.put('/<int:examination_schedule_id>/update/<int:term_of_defence_id>/')
 @bp.input(TermOfDefenceSchema)
 @bp.output(MessageSchema)
diff --git a/backend/app/coordinator/routes/project_supervisor.py b/backend/app/coordinator/routes/project_supervisor.py
index f591fff..e8e594f 100644
--- a/backend/app/coordinator/routes/project_supervisor.py
+++ b/backend/app/coordinator/routes/project_supervisor.py
@@ -56,7 +56,7 @@ def list_project_supervisors_by_year_group(year_group_id: int, query: dict) -> d
 
 @bp.post("/")
 @bp.input(ProjectSupervisorCreateSchema)
-@bp.output(MessageSchema)
+@bp.output(MessageSchema, status_code=201)
 def create_project_supervisor(data: dict) -> dict:
     first_name = data['first_name']
     last_name = data['last_name']
@@ -72,12 +72,12 @@ def create_project_supervisor(data: dict) -> dict:
     return {"message": "Project Supervisor was created!", "id": project_supervisor.id}
 
 
-@bp.get("/<int:id>/detail")
+@bp.get("/<int:id>/detail/")
 @bp.output(ProjectSupervisorSchema)
 def detail_project_supervisor(id: int) -> ProjectSupervisor:
     project_supervisor = ProjectSupervisor.query.filter_by(id=id).first()
     if project_supervisor is None:
-        abort(400, f"Project Supervisor with id {id} doesn't exist!")
+        abort(404, 'Not found project supervisor!')
     return project_supervisor
 
 
diff --git a/backend/app/coordinator/routes/year_group.py b/backend/app/coordinator/routes/year_group.py
index b6d8045..3496a80 100644
--- a/backend/app/coordinator/routes/year_group.py
+++ b/backend/app/coordinator/routes/year_group.py
@@ -11,7 +11,7 @@ bp = APIBlueprint("year_group", __name__, url_prefix="/year-group")
 
 @bp.post('/')
 @bp.input(YearGroupSchema)
-@bp.output(MessageSchema, status_code=200)
+@bp.output(MessageSchema, status_code=201)
 def create_year_group(data: dict) -> dict:
     name = data['name']
     mode = data['mode']
diff --git a/backend/app/coordinator/schemas/project_supervisor.py b/backend/app/coordinator/schemas/project_supervisor.py
index 7ce5244..51982ec 100644
--- a/backend/app/coordinator/schemas/project_supervisor.py
+++ b/backend/app/coordinator/schemas/project_supervisor.py
@@ -19,13 +19,13 @@ class ProjectSupervisorsPaginationSchema(Schema):
 class ProjectSupervisorCreateSchema(Schema):
     first_name = fields.Str(validate=validate.Length(min=1, max=255), required=True)
     last_name = fields.Str(validate=validate.Length(min=1, max=255), required=True)
-    email = fields.Str(validate=validate.Length(min=1, max=255), required=True)
+    email = fields.Str(validate=[validate.Length(min=1, max=255), validate.Email()], required=True)
 
 
 class ProjectSupervisorEditSchema(Schema):
     first_name = fields.Str(validate=validate.Length(min=1, max=255), required=True)
     last_name = fields.Str(validate=validate.Length(min=1, max=255), required=True)
-    email = fields.Str(validate=validate.Length(min=0, max=255), required=True)
+    email = fields.Str(validate=[validate.Length(min=0, max=255), validate.Email()], required=True)
 
 
 class ProjectSupervisorYearGroupSchema(Schema):
diff --git a/backend/app/coordinator/schemas/year_group.py b/backend/app/coordinator/schemas/year_group.py
index 3612925..4f1e2d0 100644
--- a/backend/app/coordinator/schemas/year_group.py
+++ b/backend/app/coordinator/schemas/year_group.py
@@ -10,7 +10,7 @@ def validate_mode(value: str) -> str:
 
 
 class YearGroupSchema(Schema):
-    name = fields.Str(validate=validate.Regexp(r'^\d{4}/\d{4}$'), required=True)
+    name = fields.Str(validate=validate.Regexp(r'^\d{4}\/\d{4}$'), required=True)
     mode = fields.Str(validate=validate_mode, required=True)
 
 
diff --git a/backend/tests/conftest.py b/backend/tests/conftest.py
index ccec8f6..e916fe7 100644
--- a/backend/tests/conftest.py
+++ b/backend/tests/conftest.py
@@ -1,6 +1,7 @@
 from typing import Generator
 
 import pytest
+from apiflask import APIFlask
 from flask import Flask
 from flask.testing import FlaskClient
 from flask.ctx import AppContext
@@ -22,5 +23,16 @@ def test_app_ctx_with_db(test_app) -> Generator[AppContext, None, None]:
 
 
 @pytest.fixture()
-def test_client(test_app: Flask) -> FlaskClient:
-    return test_app.test_client()
+def test_client() -> FlaskClient:
+    app = create_app("testing")
+    with app.app_context():
+        db.create_all()
+    return app.test_client()
+
+
+@pytest.fixture()
+def test_app_with_context() -> Generator[APIFlask, None, None]:
+    app = create_app("testing")
+    with app.app_context():
+        db.create_all()
+        yield app
diff --git a/backend/tests/factory.py b/backend/tests/factory.py
new file mode 100644
index 0000000..b88c6ad
--- /dev/null
+++ b/backend/tests/factory.py
@@ -0,0 +1,47 @@
+from factory import alchemy, Sequence
+from factory.faker import Faker
+from factory.fuzzy import FuzzyInteger, FuzzyChoice
+
+from ..app.dependencies import db
+from ..app.students.models import Student, Group
+from ..app.project_supervisor.models import ProjectSupervisor, YearGroupProjectSupervisors
+
+
+class ProjectSupervisorFactory(alchemy.SQLAlchemyModelFactory):
+    class Meta:
+        model = ProjectSupervisor
+        sqlalchemy_session = db.session
+
+    first_name = Faker('first_name')
+    last_name = Faker('last_name')
+    email = Faker('email')
+
+
+class YearGroupProjectSupervisorsFactory(alchemy.SQLAlchemyModelFactory):
+    class Meta:
+        model = YearGroupProjectSupervisors
+        sqlalchemy_session = db.session
+
+    limit_group = 4
+
+class GroupFactory(alchemy.SQLAlchemyModelFactory):
+    class Meta:
+        model = Group
+        sqlalchemy_session = db.session
+
+    name = Sequence(lambda n: f'Group-{n}')
+    points_for_first_term = FuzzyInteger(1, 5)
+    points_for_second_term = FuzzyInteger(1, 5)
+
+#
+# class StudentFactory(alchemy.SQLAlchemyModelFactory):
+#     class Meta:
+#         model = Student
+#         sqlalchemy_session = db.session
+#
+#     first_name = Faker('first_name')
+#     last_name = Faker('last_name')
+#     email = Faker('email')
+#     index = Sequence(lambda n: 400_000 + n)
+#     # group = RelatedFactory(GroupFactory)
+#     mode = FuzzyChoice([True, False])
diff --git a/backend/tests/fake_data.py b/backend/tests/fake_data.py
new file mode 100644
index 0000000..1d56796
--- /dev/null
+++ b/backend/tests/fake_data.py
@@ -0,0 +1,25 @@
+from typing import List
+
+from .factory import ProjectSupervisorFactory, YearGroupProjectSupervisorsFactory
+from ..app.dependencies import db
+from ..app.project_supervisor.models import YearGroup
+from ..app.base.mode import ModeGroups
+
+
+def create_year_group(data: dict = None) -> YearGroup:
+    if data is None:
+        data = {'mode': ModeGroups.STATIONARY.value, 'name': '2022/2023'}
+    yg = YearGroup(**data)
+    db.session.add(yg)
+    db.session.commit()
+    return yg
+
+
+def create_project_supervisors(yg: YearGroup, amount: int) -> List[ProjectSupervisorFactory]:
+    ps = [ProjectSupervisorFactory() for _ in range(amount)]
+    db.session.add_all(ps)
+    db.session.commit()
+    db.session.add_all(
+        [YearGroupProjectSupervisorsFactory(limit_group=3, year_group_id=yg.id, project_supervisor_id=p.id) for p in ps])
+    db.session.commit()
+    return ps
diff --git a/backend/tests/functional_tests/__init__.py b/backend/tests/functional_tests/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/backend/tests/functional_tests/coordinator/__init__.py b/backend/tests/functional_tests/coordinator/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/backend/tests/functional_tests/coordinator/test_project_supervisors.py b/backend/tests/functional_tests/coordinator/test_project_supervisors.py
new file mode 100644
index 0000000..25e196d
--- /dev/null
+++ b/backend/tests/functional_tests/coordinator/test_project_supervisors.py
@@ -0,0 +1,78 @@
+from ...utils import _test_case_client, _test_case_client_without_response, assert_model_changes
+from ...fake_data import create_project_supervisors, create_year_group
+from ....app.dependencies import db
+from ....app.project_supervisor.models import ProjectSupervisor
+
+valid_data = {
+    'first_name': 'John',
+    'last_name': 'Smith',
+    'email': 'johnsmith@gmail.com'
+}
+
+
+def create_dummy_ps() -> ProjectSupervisor:
+    ps = ProjectSupervisor(**valid_data)
+    db.session.add(ps)
+    db.session.commit()
+    return ps
+
+
+def test_list_project_supervisors(test_app_with_context) -> None:
+    with test_app_with_context.test_client() as client:
+        year_group = create_year_group()
+        create_project_supervisors(year_group, 25)
+        data = _test_case_client_without_response(client, '/api/coordinator/project_supervisor/?per_page=10', None, 200,
+                                                  method='get')
+        assert data.get('max_pages') == 3
+        assert len(data.get('project_supervisors')) == 10
+
+
+def test_list_project_supervisors_by_year_group(test_app_with_context) -> None:
+    with test_app_with_context.test_client() as client:
+        year_group = create_year_group()
+        year_group_2 = create_year_group()
+        create_project_supervisors(year_group, 12)
+        create_project_supervisors(year_group_2, 24)
+        data = _test_case_client_without_response(client,
+                                                  f'/api/coordinator/project_supervisor/{year_group.id}/?per_page=10',
+                                                  None, 200, method='get')
+        assert data.get('max_pages') == 2
+        assert len(data.get('project_supervisors')) == 10
+
+
+def test_create_project_supervisors(test_app_with_context) -> None:
+    with test_app_with_context.test_client() as client:
+        _test_case_client(client, '/api/coordinator/project_supervisor/', valid_data,
+                          'Project Supervisor was created!', 201, method='post')
+
+
+def test_create_project_supervisors_with_invalid_data(test_app_with_context) -> None:
+    data = {
+        'first_name': 'John',
+        'last_name': 'Smith',
+        'email': 'johnsmitl.com'
+    }
+    with test_app_with_context.test_client() as client:
+        _test_case_client(client, '/api/coordinator/project_supervisor/', data,
+                          'Validation error', 400, method='post')
+
+
+def test_create_project_supervisors_if_project_supervisor_has_already_exist(test_app_with_context) -> None:
+    with test_app_with_context.test_client() as client:
+        create_dummy_ps()
+        _test_case_client(client, '/api/coordinator/project_supervisor/', valid_data,
+                          'Project Supervisor has already exists!', 400, method='post', key='error')
+
+
+def test_detail_project_supervisor(test_app_with_context) -> None:
+    with test_app_with_context.test_client() as client:
+        ps = create_dummy_ps()
+        data = _test_case_client_without_response(client, f'/api/coordinator/project_supervisor/{ps.id}/detail/',
+                                                  None, 200, method='get')
+        assert_model_changes(ps, data)
+
+
+def test_detail_project_supervisor_if_project_supervisor_doesnt_exist(test_app_with_context) -> None:
+    with test_app_with_context.test_client() as client:
+        _test_case_client(client, f'/api/coordinator/project_supervisor/23/detail/', None,
+                          'Not found project supervisor!', 404, method='get', key='error')
diff --git a/backend/tests/functional_tests/coordinator/test_students.py b/backend/tests/functional_tests/coordinator/test_students.py
new file mode 100644
index 0000000..e69de29
diff --git a/backend/tests/functional_tests/coordinator/test_year_group.py b/backend/tests/functional_tests/coordinator/test_year_group.py
new file mode 100644
index 0000000..b35df5c
--- /dev/null
+++ b/backend/tests/functional_tests/coordinator/test_year_group.py
@@ -0,0 +1,99 @@
+from ...fake_data import create_year_group
+from ...utils import _test_case_client_without_response, _test_case_client, assert_model_changes
+from ....app.base.mode import ModeGroups
+
+valid_data = {
+    'mode': ModeGroups.STATIONARY.value,
+    'name': '2022/2023'
+}
+
+new_data = {
+    'mode': ModeGroups.NON_STATIONARY.value,
+    'name': '2021/2022'
+}
+
+example_data = {
+    'mode': ModeGroups.STATIONARY.value,
+    'name': '2021/2022'
+}
+
+
+def test_create_year_group(test_client) -> None:
+    _test_case_client(test_client, '/api/coordinator/year-group/', valid_data, 'Year group was created!', 201)
+
+
+def test_create_year_group_with_invalid_name(test_client) -> None:
+    data = {
+        'mode': ModeGroups.STATIONARY.value,
+        'name': '2022/203232a'
+    }
+    _test_case_client(test_client, '/api/coordinator/year-group/', data, 'Validation error', 400)
+
+
+def test_create_year_group_with_invalid_mode(test_client) -> None:
+    data = {
+        'mode': 'xxxx',
+        'name': '2022/2033'
+    }
+    _test_case_client(test_client, '/api/coordinator/year-group/', data, 'Validation error', 400)
+
+
+def test_create_year_group_if_year_group_already_exists(test_app_with_context) -> None:
+    with test_app_with_context.test_client() as client:
+        create_year_group(valid_data)
+        _test_case_client(client, '/api/coordinator/year-group/', valid_data, 'Year group has already exists!', 400,
+                          'error')
+
+
+def test_delete_year_group(test_app_with_context) -> None:
+    with test_app_with_context.test_client() as client:
+        yg = create_year_group(valid_data)
+        _test_case_client(client, f'/api/coordinator/year-group/{yg.id}/', None, 'Year group was deleted!', 202,
+                          method='delete')
+
+
+def test_delete_year_group_if_year_group_not_exists(test_app_with_context) -> None:
+    with test_app_with_context.test_client() as client:
+        _test_case_client(client, '/api/coordinator/year-group/1/', None, 'Year group doesn\'t exist!', 404,
+                          method='delete', key='error')
+
+
+def test_update_year_group(test_app_with_context) -> None:
+    with test_app_with_context.test_client() as client:
+        yg = create_year_group(valid_data)
+        _test_case_client(client, f'/api/coordinator/year-group/{yg.id}/', new_data, "Year group was updated!", 200,
+                          method='put', key='message')
+        assert_model_changes(yg, new_data)
+
+
+def test_update_year_group_with_invalid_data(test_app_with_context) -> None:
+    with test_app_with_context.test_client() as client:
+        yg = create_year_group(valid_data)
+        _test_case_client(client, f'/api/coordinator/year-group/{yg.id}/', {'name': '', 'mode': ''}, 'Validation error',
+                          400, method='put', key='message')
+        assert_model_changes(yg, valid_data)
+
+
+def test_update_year_group_with_invalid_route_param_year_group_id(test_app_with_context) -> None:
+    with test_app_with_context.test_client() as client:
+        _test_case_client(client, f'/api/coordinator/year-group/23/', new_data, 'Not found year group!',
+                          404, method='put', key='error')
+
+
+def test_update_year_group_with_valid_data_and_year_group_which_has_already_exist(test_app_with_context) -> None:
+    with test_app_with_context.test_client() as client:
+        create_year_group(new_data)
+        yg = create_year_group(valid_data)
+        _test_case_client(client, f'/api/coordinator/year-group/{yg.id}/', new_data, 'Year group has already exists!',
+                          400, method='put', key='error')
+        assert_model_changes(yg, valid_data)
+
+
+def test_list_year_group(test_app_with_context) -> None:
+    with test_app_with_context.test_client() as client:
+        ygs = [create_year_group(data) for data in (valid_data, new_data, example_data)]
+        data = _test_case_client_without_response(client, '/api/coordinator/year-group/', None, 200, method='get')
+        assert data.get('max_pages') == 1
+        for year_group_data in data.get('year_groups'):
+            yg_id = year_group_data.get('id')
+            assert_model_changes(list(filter(lambda yg: yg.id == yg_id, ygs))[0], year_group_data)
diff --git a/backend/tests/functional_tests/project_supervisors/__init__.py b/backend/tests/functional_tests/project_supervisors/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/backend/tests/functional_tests/students/__init__.py b/backend/tests/functional_tests/students/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/backend/tests/utils.py b/backend/tests/utils.py
new file mode 100644
index 0000000..2b4ae38
--- /dev/null
+++ b/backend/tests/utils.py
@@ -0,0 +1,29 @@
+from typing import Union
+
+from flask.testing import FlaskClient
+
+from ..app.dependencies import db
+
+
+def assert_model_changes(model: db.Model, expected_data: dict) -> None:
+    for key, val in expected_data.items():
+        assert getattr(model, key) == val
+
+
+def _test_case_client_without_response(test_client: FlaskClient, url: str, data: Union[dict, None], status_code: int,
+                                       method: str = 'post') -> dict:
+    method_func = getattr(test_client, method)
+    if data is not None:
+        response = method_func(url, json=data)
+    else:
+        response = method_func(url)
+
+    assert response.status_code == status_code
+    return response.json
+
+
+def _test_case_client(test_client: FlaskClient, url: str, data: Union[dict, None], message: str, status_code: int,
+                      key: str = 'message', method: str = 'post') -> None:
+    response_data = _test_case_client_without_response(test_client, url, data, status_code, method)
+    assert key in response_data.keys()
+    assert response_data.get(key) == message