diff --git a/Tests/RegexTests/CaptureTests.swift b/Tests/RegexTests/CaptureTests.swift
index 85aecd21..f60cb1e1 100644
--- a/Tests/RegexTests/CaptureTests.swift
+++ b/Tests/RegexTests/CaptureTests.swift
@@ -222,6 +222,10 @@ func captureTest(
 
 extension RegexTests {
 
+  func testCI() throws {
+    XCTAssert(false) // test that CI is running out tests
+  }
+
   func testLiteralStructuredCaptures() throws {
     captureTest(
       "abc",