Implement form objects for request forms

tests/forms/test_request.py

@@ -0,0 +1,14 @@
+import wtforms
+import pytest
+from atst.forms.request import RequestForm
+
+form = RequestForm()
+
+def test_form_has_expected_fields():
+    label = form.application_name.label
+    assert label.text == 'Application name'
+
+def test_form_can_validate_total_ram():
+    form.application_name.data = 5
+    with pytest.raises(wtforms.validators.ValidationError):
+        form.validate_total_ram(form.application_name)