Correct lower-case issue state

Author: almaleksia

pkg/github/issues.go

@@ -1384,7 +1384,7 @@ func ListIssues(getGQLClient GetGQLClientFn, t translations.TranslationHelperFun
 			// If the state has a value, cast into an array of strings
 			var states []githubv4.IssueState
 			if state != "" {
-				states = append(states, githubv4.IssueState(state))
+				states = append(states, githubv4.IssueState(strings.ToUpper(state)))
 			} else {
 				states = []githubv4.IssueState{githubv4.IssueStateOpen, githubv4.IssueStateClosed}
 			}

pkg/github/issues_test.go

@@ -1183,6 +1183,16 @@ func Test_ListIssues(t *testing.T) {
 			expectError:   false,
 			expectedCount: 2,
 		},
+		{
+			name: "filter by open state - lc",
+			reqParams: map[string]interface{}{
+				"owner": "owner",
+				"repo":  "repo",
+				"state": "open",
+			},
+			expectError:   false,
+			expectedCount: 2,
+		},
 		{
 			name: "filter by closed state",
 			reqParams: map[string]interface{}{
@@ -1229,6 +1239,9 @@ func Test_ListIssues(t *testing.T) {
 			case "filter by open state":
 				matcher := githubv4mock.NewQueryMatcher(qBasicNoLabels, varsOpenOnly, mockResponseOpenOnly)
 				httpClient = githubv4mock.NewMockedHTTPClient(matcher)
+			case "filter by open state - lc":
+				matcher := githubv4mock.NewQueryMatcher(qBasicNoLabels, varsOpenOnly, mockResponseOpenOnly)
+				httpClient = githubv4mock.NewMockedHTTPClient(matcher)
 			case "filter by closed state":
 				matcher := githubv4mock.NewQueryMatcher(qBasicNoLabels, varsClosedOnly, mockResponseClosedOnly)
 				httpClient = githubv4mock.NewMockedHTTPClient(matcher)