Cover the conflicting auth case in a test

Signed-off-by: Dom Del Nano <ddelnano@gmail.com>

xoa/data_source_host_test.go

@@ -54,6 +54,32 @@ func TestAccXenorchestraDataSource_hostXoTokenAuth(t *testing.T) {
 	)
 }
 
+func TestAccXenorchestraDataSource_hostXoTokenAuthShouldFail(t *testing.T) {
+	resource.Test(t, resource.TestCase{
+		PreCheck:  func() { testAccPreCheck(t) },
+		Providers: testAccProviders,
+		Steps: []resource.TestStep{
+			{
+				// Specify all the parameters to the provider to force the validation
+				// to fail
+				Config: `provider xenorchestra {
+				    alias = "token_auth"
+				    username = "test"
+				    password = "test"
+				    token = "token"
+				}
+				data "xenorchestra_host" "host" {
+				    provider = xenorchestra.token_auth
+				    name_label = "%s"
+				}
+				`,
+				ExpectError: regexp.MustCompile(`Error: Conflicting configuration arguments`),
+			},
+		},
+	},
+	)
+}
+
 func TestAccXenorchestraDataSource_hostNotFound(t *testing.T) {
 	resourceName := "data.xenorchestra_host.host"
 	resource.Test(t, resource.TestCase{