Fix OperationQueue counters

This fixes typos in code responsible for counting operations in queue.

(cherry picked from commit d8c2cfa)

Author: lxbndr

Sources/Foundation/Operation.swift

@@ -1086,7 +1086,7 @@ open class OperationQueue : NSObject, ProgressReporting {
         defer { _unlock() }
         var op = __firstOperation
         var cnt = 0
-        if let operation = op?.takeUnretainedValue() {
+        while let operation = op?.takeUnretainedValue() {
             if !(operation is _BarrierOperation) {
                 cnt += 1
             }
@@ -1100,7 +1100,7 @@ open class OperationQueue : NSObject, ProgressReporting {
         defer { _unlock() }
         var operations = [Operation]()
         var op = __firstOperation
-        if let operation = op?.takeUnretainedValue() {
+        while let operation = op?.takeUnretainedValue() {
             if includingBarriers || !(operation is _BarrierOperation) {
                 operations.append(operation)
             }

Tests/Foundation/Tests/TestOperationQueue.swift

@@ -13,7 +13,7 @@ class TestOperationQueue : XCTestCase {
     static var allTests: [(String, (TestOperationQueue) -> () throws -> Void)] {
         return [
             ("test_OperationPriorities", test_OperationPriorities),
-            /* ⚠️ */ ("test_OperationCount", testExpectedToFail(test_OperationCount, "OperationQueue can't count to more than 1")),
+            ("test_OperationCount", test_OperationCount),
             ("test_AsyncOperation", test_AsyncOperation),
             ("test_SyncOperationWithoutAQueue", test_SyncOperationWithoutAQueue),
             ("test_isExecutingWorks", test_isExecutingWorks),