#2177 Added conversion of 'Hostname' to 'givenName' in a node with FQDN rules applied (#2198)

hscontrol/db/node_test.go

@@ -392,6 +392,15 @@ func TestHeadscale_generateGivenName(t *testing.T) {
 			want:    regexp.MustCompile("^testnode$"),
 			wantErr: false,
 		},
+		{
+			name: "UPPERCASE node name generation",
+			args: args{
+				suppliedName: "TestNode",
+				randomSuffix: false,
+			},
+			want:    regexp.MustCompile("^testnode$"),
+			wantErr: false,
+		},
 		{
 			name: "node name with 53 chars",
 			args: args{