🌱 E2e Gitlab Issues (#3343)

* 🌱 Add E2E tests for Gitlab repo issues

- Add an E2E test for Gitlab repo issues
- Add two tests: one for a repo with issues, one for a repo without issues

[clients/gitlabrepo/issues_e2e_test.go]
- Add an E2E test for Gitlab repo issues
- Add two tests: one for a repo with issues, one for a repo without issues

Signed-off-by: naveensrinivasan <172697+naveensrinivasan@users.noreply.github.com>

* Improve issue e2e tests & error handling

- Remove copyright notice and associated code from `clients/gitlabrepo/issues_e2e_test.go`
- Change `ListIssues` to return an error if `ListAllProjectMembers` is not available

[clients/gitlabrepo/issues_e2e_test.go]
- Remove copyright notice and associated code from `clients/gitlabrepo/issues_e2e_test.go`
- Change `ListIssues` to return an error if `ListAllProjectMembers` is not available

Signed-off-by: naveensrinivasan <172697+naveensrinivasan@users.noreply.github.com>

* Improve GitLab issues error handling

- Update context of test from "Test list issues - GitLab" to "Test list issues errors - GitLab"
- Change test to return errors when listing for issues with normal token

[clients/gitlabrepo/issues_e2e_test.go]
- Change context of test from "Test list issues - GitLab" to "Test list issues errors - GitLab"
- Change test from "returns branches for the repo" to "returns errors when listing for issues with normal token"

Signed-off-by: naveensrinivasan <172697+naveensrinivasan@users.noreply.github.com>

---------

Signed-off-by: naveensrinivasan <172697+naveensrinivasan@users.noreply.github.com>

clients/gitlabrepo/issues_e2e_test.go

@@ -0,0 +1,41 @@
+//  Copyright 2023 OpenSSF Scorecard Authors
+//
+//  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//       http://www.apache.org/licenses/LICENSE-2.0
+//
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS,
+//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//  See the License for the specific language governing permissions and
+//  limitations under the License.
+
+package gitlabrepo
+
+import (
+	"context"
+
+	. "github.com/onsi/ginkgo/v2"
+	. "github.com/onsi/gomega"
+)
+
+var _ = Describe("E2E TEST: gitlabrepo.ListIssues", func() {
+	Context("Test list issues errors - GitLab", func() {
+		It("returns errors when listing for issues with normal token", func() {
+			repo, err := MakeGitlabRepo("https://gitlab.com/ossf-test/e2e-issues")
+			Expect(err).Should(BeNil())
+
+			client, err := CreateGitlabClient(context.Background(), repo.Host())
+			Expect(err).Should(BeNil())
+
+			err = client.InitRepo(repo, "HEAD", 0)
+			Expect(err).Should(BeNil())
+			_, err = client.ListIssues()
+			// returns error as the code checks for ListAllProjectMembers which is not available
+			// TODO: this will be fixed when it is fixed in the code
+			Expect(err).ShouldNot(BeNil())
+		})
+	})
+})