diff --git a/codex-rs/apply-patch/tests/fixtures/scenarios/020_multiple_context_lines_partial_success/expected/failure.py b/codex-rs/apply-patch/tests/fixtures/scenarios/020_multiple_context_lines_partial_success/expected/failure.py
new file mode 100644
index 0000000000..5cc66f8ade
--- /dev/null
+++ b/codex-rs/apply-patch/tests/fixtures/scenarios/020_multiple_context_lines_partial_success/expected/failure.py
@@ -0,0 +1,4 @@
+class Foo:
+    def foo():
+        # to_remove
+        pass
diff --git a/codex-rs/apply-patch/tests/fixtures/scenarios/019_multiple_context_lines/tmp/example.py b/codex-rs/apply-patch/tests/fixtures/scenarios/020_multiple_context_lines_partial_success/expected/success.py
similarity index 100%
rename from codex-rs/apply-patch/tests/fixtures/scenarios/019_multiple_context_lines/tmp/example.py
rename to codex-rs/apply-patch/tests/fixtures/scenarios/020_multiple_context_lines_partial_success/expected/success.py
diff --git a/codex-rs/apply-patch/tests/fixtures/scenarios/020_multiple_context_lines_partial_success/input/failure.py b/codex-rs/apply-patch/tests/fixtures/scenarios/020_multiple_context_lines_partial_success/input/failure.py
new file mode 100644
index 0000000000..5cc66f8ade
--- /dev/null
+++ b/codex-rs/apply-patch/tests/fixtures/scenarios/020_multiple_context_lines_partial_success/input/failure.py
@@ -0,0 +1,4 @@
+class Foo:
+    def foo():
+        # to_remove
+        pass
diff --git a/codex-rs/apply-patch/tests/fixtures/scenarios/020_multiple_context_lines_partial_success/input/success.py b/codex-rs/apply-patch/tests/fixtures/scenarios/020_multiple_context_lines_partial_success/input/success.py
new file mode 100644
index 0000000000..e8c18943e3
--- /dev/null
+++ b/codex-rs/apply-patch/tests/fixtures/scenarios/020_multiple_context_lines_partial_success/input/success.py
@@ -0,0 +1,10 @@
+class BaseClass:
+    def method():
+        # to_add
+        pass
+
+
+class OtherClass:
+    def method():
+        # untouched
+        pass
diff --git a/codex-rs/apply-patch/tests/fixtures/scenarios/020_multiple_context_lines_partial_success/patch.txt b/codex-rs/apply-patch/tests/fixtures/scenarios/020_multiple_context_lines_partial_success/patch.txt
new file mode 100644
index 0000000000..f29ee6b9b9
--- /dev/null
+++ b/codex-rs/apply-patch/tests/fixtures/scenarios/020_multiple_context_lines_partial_success/patch.txt
@@ -0,0 +1,12 @@
+*** Begin Patch
+*** Update File: success.py
+@@ class BaseClass:
+@@     def method():
+-        # to_remove
++        # to_add
+*** Update File: failure.py
+@@ class Foo:
+@@     def missing():
+-        # to_remove
++        # to_add
+*** End Patch