diff --git a/tests/cache/manifest.jsonl b/tests/cache/manifest.jsonl
index 25abcab9..fdd1affe 100644
--- a/tests/cache/manifest.jsonl
+++ b/tests/cache/manifest.jsonl
@@ -80,3 +80,5 @@
 {"tesseract_version": "4.1.1", "system": "Linux", "python": "3.9.5", "argv_slug": "__-l__eng__000001_ocr.png__000001_ocr_tess__pdf__txt", "sourcefile": "resources/trivial.pdf", "args": ["-l", "eng", "-c", "textonly_pdf=1", "$TMPDIR/000001_ocr.png", "$TMPDIR/000001_ocr_tess", "pdf", "txt"]}
 {"tesseract_version": "4.1.1", "system": "Linux", "python": "3.9.5", "argv_slug": "__-l__eng__000001_ocr.png__000001_ocr_tess__pdf__txt", "sourcefile": "resources/trivial.pdf", "args": ["-l", "eng", "-c", "textonly_pdf=1", "$TMPDIR/000001_ocr.png", "$TMPDIR/000001_ocr_tess", "pdf", "txt"]}
 {"tesseract_version": "4.1.1", "system": "Linux", "python": "3.9.5", "argv_slug": "__-l__eng__--oem__1__000001_ocr.png__000001_ocr_tess__pdf__txt", "sourcefile": "resources/trivial.pdf", "args": ["-l", "eng", "--oem", "1", "-c", "textonly_pdf=1", "$TMPDIR/000001_ocr.png", "$TMPDIR/000001_ocr_tess", "pdf", "txt"]}
+{"tesseract_version": "5.0.0", "system": "Linux", "python": "3.9.5", "argv_slug": "__-l__eng__thresholding_method=1__000001_ocr.png__000001_ocr_tess__pdf__txt", "sourcefile": "resources/trivial.pdf", "args": ["-l", "eng", "-c", "textonly_pdf=1", "-c", "thresholding_method=1", "$TMPDIR/000001_ocr.png", "$TMPDIR/000001_ocr_tess", "pdf", "txt"]}
+{"tesseract_version": "5.0.0", "system": "Linux", "python": "3.9.5", "argv_slug": "__-l__eng__thresholding_method=2__000001_ocr.png__000001_ocr_tess__pdf__txt", "sourcefile": "resources/trivial.pdf", "args": ["-l", "eng", "-c", "textonly_pdf=1", "-c", "thresholding_method=2", "$TMPDIR/000001_ocr.png", "$TMPDIR/000001_ocr_tess", "pdf", "txt"]}
diff --git a/tests/cache/trivial/__-l__eng__thresholding_method=1__000001_ocr.png__000001_ocr_tess__pdf__txt/pdf.bin b/tests/cache/trivial/__-l__eng__thresholding_method=1__000001_ocr.png__000001_ocr_tess__pdf__txt/pdf.bin
new file mode 100644
index 00000000..8da5f69e
Binary files /dev/null and b/tests/cache/trivial/__-l__eng__thresholding_method=1__000001_ocr.png__000001_ocr_tess__pdf__txt/pdf.bin differ
diff --git a/tests/cache/trivial/__-l__eng__thresholding_method=1__000001_ocr.png__000001_ocr_tess__pdf__txt/stderr.bin b/tests/cache/trivial/__-l__eng__thresholding_method=1__000001_ocr.png__000001_ocr_tess__pdf__txt/stderr.bin
new file mode 100644
index 00000000..e69de29b
diff --git a/tests/cache/trivial/__-l__eng__thresholding_method=1__000001_ocr.png__000001_ocr_tess__pdf__txt/stdout.bin b/tests/cache/trivial/__-l__eng__thresholding_method=1__000001_ocr.png__000001_ocr_tess__pdf__txt/stdout.bin
new file mode 100644
index 00000000..e69de29b
diff --git a/tests/cache/trivial/__-l__eng__thresholding_method=1__000001_ocr.png__000001_ocr_tess__pdf__txt/txt.bin b/tests/cache/trivial/__-l__eng__thresholding_method=1__000001_ocr.png__000001_ocr_tess__pdf__txt/txt.bin
new file mode 100644
index 00000000..e69de29b
diff --git a/tests/cache/trivial/__-l__eng__thresholding_method=2__000001_ocr.png__000001_ocr_tess__pdf__txt/pdf.bin b/tests/cache/trivial/__-l__eng__thresholding_method=2__000001_ocr.png__000001_ocr_tess__pdf__txt/pdf.bin
new file mode 100644
index 00000000..e5133633
Binary files /dev/null and b/tests/cache/trivial/__-l__eng__thresholding_method=2__000001_ocr.png__000001_ocr_tess__pdf__txt/pdf.bin differ
diff --git a/tests/cache/trivial/__-l__eng__thresholding_method=2__000001_ocr.png__000001_ocr_tess__pdf__txt/stderr.bin b/tests/cache/trivial/__-l__eng__thresholding_method=2__000001_ocr.png__000001_ocr_tess__pdf__txt/stderr.bin
new file mode 100644
index 00000000..e69de29b
diff --git a/tests/cache/trivial/__-l__eng__thresholding_method=2__000001_ocr.png__000001_ocr_tess__pdf__txt/stdout.bin b/tests/cache/trivial/__-l__eng__thresholding_method=2__000001_ocr.png__000001_ocr_tess__pdf__txt/stdout.bin
new file mode 100644
index 00000000..e69de29b
diff --git a/tests/cache/trivial/__-l__eng__thresholding_method=2__000001_ocr.png__000001_ocr_tess__pdf__txt/txt.bin b/tests/cache/trivial/__-l__eng__thresholding_method=2__000001_ocr.png__000001_ocr_tess__pdf__txt/txt.bin
new file mode 100644
index 00000000..e69de29b