[Added missing escapes to backticks.
tobias@goedderz.info**20140721142801
 Ignore-this: 8d17c513b74da9285a617fdcff325eab
] hunk ./run_test.bash 12
-    echo "Expected output file missing or unreadable: ``$expected_output_fn''" >&2
+    echo "Expected output file missing or unreadable: \`\`$expected_output_fn''" >&2