test case for `Check that already imported space template upon new import doesn't change the types of it's fields.` mentioned in https://github.com/fabric8-services/fabric8-wit/pull/1148

repository_blackbox_test.go

t.Run("import existing template with WIT field type changes", func(t *testing.T) {
			// Create fresh template
			spaceTemplateID := uuid.NewV4()
			witID := uuid.NewV4()
			wiltID := uuid.NewV4()
			witgID := uuid.NewV4()
			oldTempl := getValidTestTemplateParsed(t, spaceTemplateID, witID, wiltID, witgID)
			oldTempl.Template.Name = "old name for space template " + spaceTemplateID.String()
			_, err := s.importerRepo.Import(s.Ctx, oldTempl)
			require.NoError(t, err)
			// Import it once more but this time with changes
			templ := getValidTestTemplateParsed(t, spaceTemplateID, witID, wiltID, witgID)
			templ.WITs[0].Fields["title"] = workitem.FieldDefinition{
				Label:       "Title",
				Description: "The title of the bug",
				Required:    true,
				Type: workitem.SimpleType{
					Kind: workitem.KindInteger,
				},
			}
			// when
			_, err = s.importerRepo.Import(s.Ctx, templ)
			// then
			require.Error(t, err)
		})