diff --git a/Tests/DownloadTests.swift b/Tests/DownloadTests.swift
index 1e2d082c4fc1684ee7301a87e651eba9fca7c202..9db3dba4b1efb3a78009d0661e51d8585f91ed6b 100644
--- a/Tests/DownloadTests.swift
+++ b/Tests/DownloadTests.swift
@@ -61,7 +61,7 @@ class AlamofireDownloadResponseTestCase: XCTestCase {
 //                XCTAssertGreaterThan(data.length, 0, "data length should be non-zero")
         }
 
-        waitForExpectationsWithTimeout(10){ error in
+        waitForExpectationsWithTimeout(10) { (error) in
             XCTAssertNil(error, "\(error)")
         }
     }
diff --git a/Tests/RequestTests.swift b/Tests/RequestTests.swift
index c10d6e2db83ced4c604a37445ebf0d7a6be8db31..0e1a9971ca064bd3cd9dec6a5fee8beb1eae67fe 100644
--- a/Tests/RequestTests.swift
+++ b/Tests/RequestTests.swift
@@ -62,7 +62,7 @@ class AlamofireRequestResponseTestCase: XCTestCase {
                     XCTAssertNil(error, "error should be nil")
                  }
 
-        waitForExpectationsWithTimeout(10){ error in
+        waitForExpectationsWithTimeout(10) { (error) in
             XCTAssertNil(error, "\(error)")
         }
     }
diff --git a/Tests/ResponseTests.swift b/Tests/ResponseTests.swift
index f21954cbb0480543bc578985bed16791fc3c3922..37295969d53f11de55030f2f8f7dcc5c5d130394 100644
--- a/Tests/ResponseTests.swift
+++ b/Tests/ResponseTests.swift
@@ -40,7 +40,7 @@ class AlamofireJSONResponseTestCase: XCTestCase {
                     XCTAssertEqual(JSON!["args"] as NSObject, ["foo": "bar"], "args should be equal")
                  }
 
-        waitForExpectationsWithTimeout(10){ error in
+        waitForExpectationsWithTimeout(10) { (error) in
             XCTAssertNil(error, "\(error)")
         }
     }