Respect paging mode for list languages

tests/integration_tests.rs

@@ -626,12 +626,18 @@ fn list_themes_to_piped_output() {
 }
 
 #[test]
+#[serial]
 fn list_languages() {
-    bat()
-        .arg("--list-languages")
-        .assert()
-        .success()
-        .stdout(predicate::str::contains("Rust").normalize());
+    mocked_pagers::with_mocked_versions_of_more_and_most_in_path(|| {
+        bat()
+            .env("PAGER", mocked_pagers::from("echo pager-output"))
+            .arg("--list-languages")
+            .arg("--paging=never")
+            .assert()
+            .success()
+            .stdout(predicate::str::contains("Rust").normalize())
+            .stdout(predicate::str::contains("pager-output").not());
+    });
 }
 
 #[test]