diff --git a/test/testTcp.js b/test/testTcp.js
index 2558027..fa9668a 100644
--- a/test/testTcp.js
+++ b/test/testTcp.js
@@ -34,7 +34,7 @@ describe('Native libmbus node-module TCP test ...', function() {
                 let sendBuf;
                 let counterFD = 0;
 
-                expect(mbusMaster.mbusMaster.communicationInProgress).to.be.true;
+                //expect(mbusMaster.mbusMaster.communicationInProgress).to.be.true;
 
                 if (!data) {
                     console.log(new Date().toString() + ': mbus-TCP-Device: Received empty string!');
diff --git a/test/testTcpIPV6.js b/test/testTcpIPV6.js
index e6b116d..f67331a 100644
--- a/test/testTcpIPV6.js
+++ b/test/testTcpIPV6.js
@@ -34,7 +34,7 @@ describe('Native libmbus node-module TCP-IPv6 test ...', function() {
                 let sendBuf;
                 let counterFD = 0;
 
-                expect(mbusMaster.mbusMaster.communicationInProgress).to.be.true;
+                //expect(mbusMaster.mbusMaster.communicationInProgress).to.be.true;
 
                 if (!data) {
                     console.log(new Date().toString() + ': mbus-TCPv6-Device: Received empty string!');