diff --git a/e2e/assert.sh b/e2e/assert.sh
index 6250291ee7..7bbcb64fa2 100755
--- a/e2e/assert.sh
+++ b/e2e/assert.sh
@@ -250,6 +250,15 @@ assert_contains() {
   fi
 }
 
+assert_contains_text() {
+  local actual="$1"
+  if [[ $actual == *"$2"* ]]; then
+    ok "[text] '$2' is in output"
+  else
+    fail "[text] expected '$2' to be in output"
+  fi
+}
+
 assert_not_contains() {
   local actual
   actual="$(quiet_assert_succeed "$1")"
@@ -260,6 +269,15 @@ assert_not_contains() {
   fi
 }
 
+assert_not_contains_text() {
+  local actual="$1"
+  if [[ $actual != *"$2"* ]]; then
+    ok "[text] '$2' is not in output"
+  else
+    fail "[text] expected '$2' not to be in output"
+  fi
+}
+
 assert_matches() {
   local actual
   actual="$(quiet_assert_succeed "$1")"
diff --git a/e2e/core/test_python_github_attestations b/e2e/core/test_python_github_attestations
index 20ba5de664..ae736ba9e0 100644
--- a/e2e/core/test_python_github_attestations
+++ b/e2e/core/test_python_github_attestations
@@ -11,8 +11,8 @@ output=$(mise install python@3.13.5 2>&1) || true
 echo "$output"
 
 # Verify attestation verification was attempted and succeeded
-assert_contains "echo \"$output\"" "verify GitHub artifact attestations"
-assert_contains "echo \"$output\"" "✓ GitHub artifact attestations verified"
+assert_contains_text "$output" "verify GitHub artifact attestations"
+assert_contains_text "$output" "✓ GitHub artifact attestations verified"
 
 # Verify the installed Python works
 assert "mise x python@3.13.5 -- python --version" "Python 3.13.5"