diff --git a/Tests/Foundation/Tests/TestProcess.swift b/Tests/Foundation/Tests/TestProcess.swift
index 3830c64006..679243be46 100644
--- a/Tests/Foundation/Tests/TestProcess.swift
+++ b/Tests/Foundation/Tests/TestProcess.swift
@@ -217,9 +217,7 @@ class TestProcess : XCTestCase {
             let env = try parseEnv(output)
             XCTAssertGreaterThan(env.count, 0)
         } catch {
-            // FIXME: SR-9930 parseEnv fails if an environment variable contains
-            // a newline.
-            // XCTFail("Test failed: \(error)")
+            XCTFail("Test failed: \(error)")
         }
     }