Fix Test in ConnectionManagementIT

[a-zuckut]

Test: ConnectionManagementIT.clientMustNotReuseTcpConnectionWhenReceivesConnectionClose() cannot connect with the two connections.

To Reproduce: uncomment the ignored test in http connector class ConnectionManagementIT.

From PR #658.

Logs:

=================== BEGIN STORED LOG MESSAGES ===========================
Printing last 22 of 22 log messages
0    transport.http.connect [Time-limited test] DEBUG connect  - Cache miss - NO cached persistent connection: server = http://localhost:8080/path
3    transport.tcp.connect [Time-limited test] TRACE connect  - AbstractNioConnector.init()
8    transport.tcp.connect [Time-limited test] DEBUG connect  - TCP connector: worker count = 4
266  transport.tcp.connect [Time-limited test] TRACE connect  - AbstractNioConnector.connectInternal(), resource: tcp://127.0.0.1:8080
341  transport.tcp.accept [Time-limited test] DEBUG accept  - nextWorker: returning worker #1 of 4
432  transport.tcp.connect [New I/O worker #1] TRACE connect  - AbstractNioConnector.connectInternal()$initializeSession(), session: (#00000001: kaazing niosocketchannel, client, /127.0.0.1:57788 => /127.0.0.1:8080), resource: tcp://127.0.0.1:8080
541  transport.tcp.connect [New I/O worker #1] INFO  connect  - [tcp#1 127.0.0.1:57788] OPENED: (#00000001: kaazing niosocketchannel, client, /127.0.0.1:57788 => /127.0.0.1:8080)
678  transport.tcp.connect [New I/O worker #1] TRACE connect  - [tcp#1 127.0.0.1:57788] WRITE: REQUEST: HTTP/1.1 GET /path HEADERS: {User-Agent=[Kaazing Gateway], Host=[localhost:8080], Content-Length=[0], Connection=[close]} null 
710  transport.http.connect [New I/O worker #1] INFO  connect  - [http#2 127.0.0.1:57788] OPENED: (#00000002: kzg http, client, http://localhost:8080/path => http://localhost:8080/path)
724  org.kaazing.mina.filter.codec.ProtocolCodecFilter [New I/O worker #1] DEBUG ProtocolCodecFilter  - Processing a MESSAGE_RECEIVED for session 1
785  org.kaazing.gateway.transport.http.bridge.filter.HttpResponseDecodingState [New I/O worker #1] DEBUG HttpResponseDecodingState  - "200 OK HTTP/1.1"
786  transport.tcp.connect [New I/O worker #1] TRACE connect  - [tcp#1 127.0.0.1:57788] RECEIVED: RESPONSE: 200 OK HTTP/1.1 HEADERS: {Connection=[close], Content-Length=[0]} null 
869  transport.tcp.connect [New I/O worker #1] INFO  connect  - [tcp#1 127.0.0.1:57788] CLOSED: (#00000001: kaazing niosocketchannel, client, /127.0.0.1:57788 => /127.0.0.1:8080)
870  transport.http.connect [New I/O worker #1] INFO  connect  - [http#2 127.0.0.1:57788] CLOSED: (#00000002: kzg http, client, http://localhost:8080/path => http://localhost:8080/path)
871  performance.tcp [New I/O worker #1] DEBUG tcp  - AbstractNioWorker.process(Selector) took 159 ms: 1 reads, 0 writes
876  transport.http.connect [Time-limited test] DEBUG connect  - Cache miss - NO cached persistent connection: server = http://localhost:8080/path2
876  transport.tcp.connect [Time-limited test] TRACE connect  - AbstractNioConnector.connectInternal(), resource: tcp://127.0.0.1:8080
876  transport.tcp.accept [Time-limited test] DEBUG accept  - nextWorker: returning worker #2 of 4
880  transport.tcp.connect [New I/O worker #2] TRACE connect  - AbstractNioConnector.connectInternal()$initializeSession(), session: (#00000003: kaazing niosocketchannel, client, /127.0.0.1:57789 => /127.0.0.1:8080), resource: tcp://127.0.0.1:8080
883  transport.tcp.connect [New I/O worker #2] INFO  connect  - [tcp#3 127.0.0.1:57789] OPENED: (#00000003: kaazing niosocketchannel, client, /127.0.0.1:57789 => /127.0.0.1:8080)
885  transport.tcp.connect [New I/O worker #2] INFO  connect  - [tcp#3 127.0.0.1:57789] CLOSED: (#00000003: kaazing niosocketchannel, client, /127.0.0.1:57789 => /127.0.0.1:8080)
887  transport.http.connect [New I/O worker #2] INFO  connect  - [http#4 127.0.0.1:57789] OPENED: (#00000004: kzg http, client, http://localhost:8080/path2 => http://localhost:8080/path2)
=================== END STORED LOG MESSAGES ===========================