Thanks Wamboo.
Below are the execution logs, please find error below the line "Starting test execution, please wait..."
2020-04-20T00:24:47.3115811Z DtaExecutionHost version 18.167.29920.1.
2020-04-20T00:24:47.5806051Z Starting TestExecution Model...
2020-04-20T00:24:49.7771209Z Result Attachments will be stored in LogStore
2020-04-20T00:24:49.8803314Z Run Attachments will be stored in LogStore
2020-04-20T00:24:49.8886267Z Result Attachments will be stored in LogStore
2020-04-20T00:24:50.0019076Z Result Attachments will be stored in LogStore
2020-04-20T00:24:50.0019905Z Run Attachments will be stored in LogStore
2020-04-20T00:24:50.0265764Z Updated Run Settings:
2020-04-20T00:24:50.0289191Z <RunSettings>
2020-04-20T00:24:50.0294802Z <RunConfiguration>
2020-04-20T00:24:50.0295321Z <BatchSize>1000</BatchSize>
2020-04-20T00:24:50.0295843Z <ResultsDirectory>C:\tes\vsts-agent-win-x64-2.165.2\_work\_temp\TestResults</ResultsDirectory>
2020-04-20T00:24:50.0296269Z </RunConfiguration>
2020-04-20T00:24:50.0296558Z </RunSettings>
2020-04-20T00:24:50.0400899Z **************** Starting test execution *********************
2020-04-20T00:24:50.0525321Z [command]C:\tes\vsts-agent-win-x64-2.165.2\_work\_tool\VsTest\16.6.0-preview-20200318-01\x64\tools\net451\Common7\IDE\Extensions\TestPlatform\vstest.console.exe "@C:\tes\vsts-agent-win-x64-2.165.2\_work\_temp\tznyjjjc2yn.tmp"
2020-04-20T00:24:50.4465901Z Microsoft (R) Test Execution Command Line Tool Version 16.6.0-preview-20200318-01
2020-04-20T00:24:50.4468061Z Copyright (c) Microsoft Corporation. All rights reserved.
2020-04-20T00:24:50.4549717Z vstest.console.exe "C:\tes\vsts-agent-win-x64-2.165.2\_work\1\s\DemoTesting\DemoTesting.pjs"
2020-04-20T00:24:50.4550585Z /Settings:"C:\tes\vsts-agent-win-x64-2.165.2\_work\_temp\e4yyf4m5iyu.tmp.runsettings"
2020-04-20T00:24:50.4550948Z /Logger:"trx"
2020-04-20T00:24:50.4551225Z /TestAdapterPath:"C:\tes\vsts-agent-win-x64-2.165.2\_work\1\s"
2020-04-20T00:24:50.8404950Z Starting test execution, please wait...
2020-04-20T00:24:50.9238796Z A total of 1 test files matched the specified pattern.
2020-04-20T00:25:02.3521534Z ##[error]Failed to get a list of tests from the "C:\tes\vsts-agent-win-x64-2.165.2\_work\1\s\DemoTesting\DemoTesting.pjs" file due to the following error: Unable to connect to TestComplete: it is running with different rights, or its state is incorrect. Please close it and try again.
2020-04-20T00:25:02.3530680Z No test is available in C:\tes\vsts-agent-win-x64-2.165.2\_work\1\s\DemoTesting\DemoTesting.pjs. Make sure that test discoverer & executors are registered and platform & framework version settings are appropriate and try again.
2020-04-20T00:25:02.3779219Z Results File: C:\tes\vsts-agent-win-x64-2.165.2\_work\_temp\TestResults\maheshj_U5-DPE-CPB-0221_2020-04-20_05_55_02.trx
2020-04-20T00:25:02.3823860Z ##[error]Test Run Failed.
2020-04-20T00:25:02.4116326Z Vstest.console.exe exited with code 1.
2020-04-20T00:25:02.4117184Z **************** Completed test execution *********************
2020-04-20T00:25:02.4196391Z Test results files: C:\tes\vsts-agent-win-x64-2.165.2\_work\_temp\TestResults\maheshj_U5-DPE-CPB-0221_2020-04-20_05_55_02.trx
2020-04-20T00:25:02.4546035Z No Result Found to Publish 'C:\tes\vsts-agent-win-x64-2.165.2\_work\_temp\TestResults\maheshj_U5-DPE-CPB-0221_2020-04-20_05_55_02.trx'.
2020-04-20T00:25:03.1148367Z Created test run: 36
2020-04-20T00:25:03.1149389Z Publishing test results: 0
2020-04-20T00:25:03.2765286Z Publishing test results to test run '36'.
2020-04-20T00:25:03.2791748Z TestResults To Publish 0, Test run id:36
2020-04-20T00:25:03.2792188Z Published test results: 0
2020-04-20T00:25:03.2799204Z Publishing Attachments: 1
2020-04-20T00:25:05.1310159Z Execution Result Code 1 is non zero, checking for failed results
2020-04-20T00:25:05.3455854Z Completed TestExecution Model...
2020-04-20T00:25:05.3994142Z ##[warning]Vstest failed with error. Check logs for failures. There might be failed tests.
2020-04-20T00:25:05.3996935Z ##[error]Error: The process 'C:\tes\vsts-agent-win-x64-2.165.2\_work\_tasks\VSTest_ef087383-ee5e-42c7-9a53-ab56c98420f9\2.167.1\Modules\DTAExecutionHost.exe' failed with exit code 1
2020-04-20T00:25:05.4014185Z ##[error]Vstest failed with error. Check logs for failures. There might be failed tests.
2020-04-20T00:25:05.4104147Z ##[section]Finishing: VsTest - testAssemblies