refactor and move tests

tests/test_model_definition.py

@@ -56,7 +56,11 @@ class ExampleModel2(Model):
 @pytest.fixture()
 def example():
     return ExampleModel(
-        pk=1, test_string="test", test_bool=True, test_decimal=decimal.Decimal(3.5), test_decimal2=decimal.Decimal(5.5)
+        pk=1,
+        test_string="test",
+        test_bool=True,
+        test_decimal=decimal.Decimal(3.5),
+        test_decimal2=decimal.Decimal(5.5),
     )
 
 
@@ -115,6 +119,7 @@ def test_sqlalchemy_table_is_created(example):
 
 def test_no_pk_in_model_definition():
     with pytest.raises(ModelDefinitionError):
+
         class ExampleModel2(Model):
             class Meta:
                 tablename = "example3"
@@ -125,6 +130,7 @@ def test_no_pk_in_model_definition():
 
 def test_two_pks_in_model_definition():
     with pytest.raises(ModelDefinitionError):
+
         class ExampleModel2(Model):
             class Meta:
                 tablename = "example3"
@@ -136,6 +142,7 @@ def test_two_pks_in_model_definition():
 
 def test_setting_pk_column_as_pydantic_only_in_model_definition():
     with pytest.raises(ModelDefinitionError):
+
         class ExampleModel2(Model):
             class Meta:
                 tablename = "example4"
@@ -146,6 +153,7 @@ def test_setting_pk_column_as_pydantic_only_in_model_definition():
 
 def test_decimal_error_in_model_definition():
     with pytest.raises(ModelDefinitionError):
+
         class ExampleModel2(Model):
             class Meta:
                 tablename = "example5"
@@ -156,6 +164,7 @@ def test_decimal_error_in_model_definition():
 
 def test_string_error_in_model_definition():
     with pytest.raises(ModelDefinitionError):
+
         class ExampleModel2(Model):
             class Meta:
                 tablename = "example6"