added integration test for setting terminal title

tests/integration_tests.rs

@@ -922,6 +922,21 @@ fn pager_failed_to_parse() {
         .stderr(predicate::str::contains("Could not parse pager command"));
 }
 
+#[test]
+fn pager_set_terminal_title() {
+    mocked_pagers::with_mocked_versions_of_more_and_most_in_path(|| {
+        bat()
+            .env("PAGER", mocked_pagers::from("echo pager-output"))
+            .arg("--paging=always")
+            .arg("--set_terminal_title")
+            .arg("test.txt")
+            .assert()
+            .success()
+            .stdout(predicate::str::contains("\u{1b}]0;bat: test.txt\x07pager-output\n").normalize());
+    });
+}
+
+
 #[test]
 #[serial]
 fn env_var_bat_paging() {
@@ -2430,3 +2445,5 @@ fn highlighting_independant_from_map_syntax_case() {
         .stdout(expected)
         .stderr("");
 }
+
+