Revert "Put test for RTN16f back (looks like accidental remove in the…

… original PR due to RTN16f spec change is depicted red in https://github.com/ably/specification/pull/88/files)."

This reverts commit 12ea2c9.

Test/Tests/RealtimeClientConnectionTests.swift

@@ -3250,54 +3250,6 @@ class RealtimeClientConnectionTests: XCTestCase {
         }
     }
 
-    // RTN16f
-    func test__085__Connection__Connection_recovery__should_use_msgSerial_from_recoveryKey_to_set_the_client_internal_msgSerial_but_is_not_sent_to_Ably() throws {
-        let test = Test()
-        let options = try AblyTests.commonAppSetup(for: test)
-        options.autoConnect = false
-        options.recover = "{\"msgSerial\":7,\"connectionKey\":\"99999!xxxxxx-xxxxxxxxx-xxxxxxxxx\",\"channelSerials\":{}}"
-
-        let testEnvironment = AblyTests.newRealtime(options)
-        let client = testEnvironment.client
-        defer { client.dispose(); client.close() }
-
-        var urlConnections = [URL]()
-        testEnvironment.transportFactory.networkConnectEvent = { transport, url in
-            if client.internal.transport !== transport {
-                return
-            }
-            urlConnections.append(url)
-            if urlConnections.count == 1 {
-                testEnvironment.transportFactory.networkConnectEvent = nil
-            }
-        }
-
-        waitUntil(timeout: testTimeout) { done in
-            client.connection.once(.connected) { stateChange in
-                guard let reason = stateChange.reason else {
-                    fail("Reason is empty"); done(); return
-                }
-
-                XCTAssertEqual(urlConnections.count, 1)
-                guard let urlConnectionQuery = urlConnections.first?.query else {
-                    fail("Missing URL Connection query"); done(); return
-                }
-
-                expect(urlConnectionQuery).to(haveParam("recover", withValue: "99999!xxxxxx-xxxxxxxxx-xxxxxxxxx"))
-                expect(urlConnectionQuery).toNot(haveParam("msgSerial"))
-
-                // recover fails, the counter should be reset to 0
-                XCTAssertEqual(client.internal.msgSerial, 0)
-
-                expect(reason.message).to(contain("Invalid connection key"))
-                XCTAssertTrue(client.connection.errorReason === reason)
-                done()
-            }
-            client.connect()
-            XCTAssertEqual(client.internal.msgSerial, 7)
-        }
-    }
-
     // RTN16g
     func test__110__Connection__Connection_recovery__connection_recovery_key_is_correctly_constructed_from_defined_parts() throws {
         let test = Test()