diff --git a/src/borg/testsuite/__init__.py b/src/borg/testsuite/__init__.py
index 0a75d743d..724fcf894 100644
--- a/src/borg/testsuite/__init__.py
+++ b/src/borg/testsuite/__init__.py
@@ -249,6 +249,9 @@ class FakeInputs:
     def __init__(self, inputs):
         self.inputs = inputs
 
+    def available(self):
+        return bool(self.inputs)
+
     def __call__(self, prompt=None):
         if prompt is not None:
             print(prompt, end="")
diff --git a/src/borg/testsuite/helpers/yes_no_test.py b/src/borg/testsuite/helpers/yes_no_test.py
index 508de36f7..8246f47fe 100644
--- a/src/borg/testsuite/helpers/yes_no_test.py
+++ b/src/borg/testsuite/helpers/yes_no_test.py
@@ -7,21 +7,21 @@ from .. import FakeInputs
 def test_yes_input():
     inputs = list(TRUISH)
     input = FakeInputs(inputs)
-    for i in inputs:
+    while input.available():
         assert yes(input=input)
     inputs = list(FALSISH)
     input = FakeInputs(inputs)
-    for i in inputs:
+    while input.available():
         assert not yes(input=input)
 
 
 def test_yes_input_defaults():
     inputs = list(DEFAULTISH)
     input = FakeInputs(inputs)
-    for i in inputs:
+    while input.available():
         assert yes(default=True, input=input)
     input = FakeInputs(inputs)
-    for i in inputs:
+    while input.available():
         assert not yes(default=False, input=input)