tests: fix instances where file ID generation attempted prefix of 3

Author: datalogics-cgreen

tests/test_add_attachment_to_pdf.py

@@ -338,6 +338,6 @@ def handler(_: httpx.Request) -> httpx.Response:
             make_pdf_file(PdfRestFileID.generate(1)),
             attachment=[
                 make_attachment_file(str(PdfRestFileID.generate(2))),
-                make_attachment_file(str(PdfRestFileID.generate(3)), "more.txt"),
+                make_attachment_file(str(PdfRestFileID.generate(2)), "more.txt"),
             ],
         )

tests/test_add_image_to_pdf.py

@@ -233,7 +233,7 @@ def handler(_: httpx.Request) -> httpx.Response:
                 make_pdf_file(PdfRestFileID.generate(1)),
                 make_pdf_file(PdfRestFileID.generate(2)),
             ],
-            image=make_image_file(PdfRestFileID.generate(3)),
+            image=make_image_file(PdfRestFileID.generate(2)),
             x=1,
             y=1,
             page=1,
@@ -257,7 +257,7 @@ def handler(_: httpx.Request) -> httpx.Response:
             make_pdf_file(PdfRestFileID.generate(1)),
             image=[
                 make_image_file(PdfRestFileID.generate(2)),
-                make_image_file(PdfRestFileID.generate(3), name="secondary.png"),
+                make_image_file(PdfRestFileID.generate(2), name="secondary.png"),
             ],
             x=1,
             y=1,