[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

src/darwin/Framework/CHIPTests/MTRPairingTests.m

@@ -1434,7 +1434,7 @@ - (void)test024_CancelCommissioningForNodeIDClearsPostPASEWaitingState
     // Tear the second op down (cancel by node ID) so it does not arm its own
     // watchdog or hold the slot past the end of the test, then drain.
     [sController cancelCommissioningForNodeID:@(sDeviceId) error:NULL];
-    dispatch_sync(callbackQueue, ^{});
+    dispatch_sync(callbackQueue, ^ {});
     [secondInert fulfill];
     [self waitForExpectations:@[ secondInert ] timeout:1.0];
 
@@ -1592,7 +1592,7 @@ - (void)test_WatchdogFires_WhenClientNeverAdvancesPastPASE
     // _earlyFailCommissioning: -> _dispatchCommissioningError, which hops onto
     // the delegate queue.  Drain that queue so any synchronous-path failure has
     // been recorded before we inspect it.
-    dispatch_sync(callbackQueue, ^{});
+    dispatch_sync(callbackQueue, ^ {});
     NSError * secondEarlyError = secondDelegate.lastDeliveredError;
 
     XCTAssertEqualObjects(slotAfterStart, secondCommissioning,
@@ -1606,7 +1606,7 @@ - (void)test_WatchdogFires_WhenClientNeverAdvancesPastPASE
     // Fulfill the inert expectation explicitly (its outcome is not part of the
     // contract) so it never dangles into XCTest's end-of-test wait.
     [secondCommissioning stop];
-    dispatch_sync(callbackQueue, ^{});
+    dispatch_sync(callbackQueue, ^ {});
     [secondInert fulfill];
     [self waitForExpectations:@[ secondInert ] timeout:1.0];
 
@@ -1689,5 +1689,4 @@ - (void)test_WatchdogDoesNotFire_OnNormalFlow
     [MTRCommissioningOperation setPostPASEWatchdogIntervalForTesting:0];
 }
 
-
 @end