Revert "deliberately break a test to check CI"

This reverts commit 70fc13f.

test_suite/stdlib.jsonnet

@@ -1599,6 +1599,6 @@ std.assertEqual(std.trim('string with newline character at end\n'), 'string with
 std.assertEqual(std.trim('string with tabs at end\t\t'), 'string with tabs at end') &&
 // The last character here was previously expressed as \u00A0, but this is rewritten by jsonnetfmt.
 // To avoid ambiguity but allow the code to pass unchanged through jsonnetfmt, this now uses a std.char() call.
-std.assertEqual(std.trim('bad string with other special whitespaces at end\f\r\u0085' + std.char(160)), 'string with other special whitespaces at end') &&
+std.assertEqual(std.trim('string with other special whitespaces at end\f\r\u0085' + std.char(160)), 'string with other special whitespaces at end') &&
 
 true