diff --git a/tests/scenario/test_issues.py b/tests/scenario/test_issues.py
index 6f2a34e9..701f42bc 100644
--- a/tests/scenario/test_issues.py
+++ b/tests/scenario/test_issues.py
@@ -152,13 +152,13 @@ def test_reduce_paragraph_overflow_text_font_size(issue_pdf_directory, request):
         assert obj.read() == expected
 
 
-def test_PPF_627_schema(issue_pdf_directory):
+def test_ppf_627_schema(issue_pdf_directory):
     obj = PdfWrapper(os.path.join(issue_pdf_directory, "PPF-627.pdf"))
 
     assert obj.schema["properties"]["S1 GF 7"]["maximum"] == 3
 
 
-def test_PPF_627_fill_0(issue_pdf_directory, request):
+def test_ppf_627_fill_0(issue_pdf_directory, request):
     obj = PdfWrapper(os.path.join(issue_pdf_directory, "PPF-627.pdf")).fill(
         {"S1 GF 7": 0}
     )
@@ -172,7 +172,7 @@ def test_PPF_627_fill_0(issue_pdf_directory, request):
         assert obj.read() == expected
 
 
-def test_PPF_627_fill_1(issue_pdf_directory, request):
+def test_ppf_627_fill_1(issue_pdf_directory, request):
     obj = PdfWrapper(os.path.join(issue_pdf_directory, "PPF-627.pdf")).fill(
         {"S1 GF 7": 1}
     )
@@ -186,7 +186,7 @@ def test_PPF_627_fill_1(issue_pdf_directory, request):
         assert obj.read() == expected
 
 
-def test_PPF_627_fill_2(issue_pdf_directory, request):
+def test_ppf_627_fill_2(issue_pdf_directory, request):
     obj = PdfWrapper(os.path.join(issue_pdf_directory, "PPF-627.pdf")).fill(
         {"S1 GF 7": 2}
     )
@@ -200,7 +200,7 @@ def test_PPF_627_fill_2(issue_pdf_directory, request):
         assert obj.read() == expected
 
 
-def test_PPF_627_fill_3(issue_pdf_directory, request):
+def test_ppf_627_fill_3(issue_pdf_directory, request):
     obj = PdfWrapper(os.path.join(issue_pdf_directory, "PPF-627.pdf")).fill(
         {"S1 GF 7": 3}
     )
diff --git a/tests/scenario/test_issues_simple.py b/tests/scenario/test_issues_simple.py
index 218be2e2..5fa726b5 100644
--- a/tests/scenario/test_issues_simple.py
+++ b/tests/scenario/test_issues_simple.py
@@ -192,7 +192,7 @@ def test_encrypted_edit_pdf_form(issue_pdf_directory, pdf_samples, request):
         assert obj.stream == expected
 
 
-def test_PPF_627_fill_0(issue_pdf_directory, pdf_samples, request):
+def test_ppf_627_fill_0(issue_pdf_directory, pdf_samples, request):
     expected_path = os.path.join(
         pdf_samples, "simple", "scenario", "issues", "PPF-627-expected-0.pdf"
     )
@@ -210,7 +210,7 @@ def test_PPF_627_fill_0(issue_pdf_directory, pdf_samples, request):
         assert obj.stream == expected
 
 
-def test_PPF_627_fill_1(issue_pdf_directory, pdf_samples, request):
+def test_ppf_627_fill_1(issue_pdf_directory, pdf_samples, request):
     expected_path = os.path.join(
         pdf_samples, "simple", "scenario", "issues", "PPF-627-expected-1.pdf"
     )
@@ -228,7 +228,7 @@ def test_PPF_627_fill_1(issue_pdf_directory, pdf_samples, request):
         assert obj.stream == expected
 
 
-def test_PPF_627_fill_2(issue_pdf_directory, pdf_samples, request):
+def test_ppf_627_fill_2(issue_pdf_directory, pdf_samples, request):
     expected_path = os.path.join(
         pdf_samples, "simple", "scenario", "issues", "PPF-627-expected-2.pdf"
     )
@@ -246,7 +246,7 @@ def test_PPF_627_fill_2(issue_pdf_directory, pdf_samples, request):
         assert obj.stream == expected
 
 
-def test_PPF_627_fill_3(issue_pdf_directory, pdf_samples, request):
+def test_ppf_627_fill_3(issue_pdf_directory, pdf_samples, request):
     expected_path = os.path.join(
         pdf_samples, "simple", "scenario", "issues", "PPF-627-expected-3.pdf"
     )