Issues in testgrid.yaml is shown as Infra Errors

[kasunbg]

Description:

The testgrid.yaml: https://github.com/wso2/testgrid-job-configs/blob/2761f001c34b6ea216c9bf99c942cb9904515bcd/team-tg/kasung-test.yaml

issue: inputParameters section contain a Boolean value.

[2019-03-04 09:37:24,773]  INFO {org.wso2.testgrid.core.TestPlanExecutor} - ------------------------------------------------------------------------
[2019-03-04 09:37:24,773]  INFO {org.wso2.testgrid.core.TestPlanExecutor} - 		 Creating deployment: deployment
[2019-03-04 09:37:24,773]  INFO {org.wso2.testgrid.core.TestPlanExecutor} - ------------------------------------------------------------------------
[2019-03-04 09:37:24,773]  INFO {org.wso2.testgrid.core.TestPlanExecutor} - 
[2019-03-04 09:37:24,782] ERROR {org.wso2.testgrid.core.TestPlanExecutor} - Unhandled error occurred hile running deployment for deployment pattern 'org.wso2.testgrid.common.config.DeploymentConfig@7c2312fa' in TestPlan org.wso2.testgrid.core.exception.TestPlanExecutorException: Error occurred while writing deployment outputs.
	at org.wso2.testgrid.core.TestPlanExecutor.persistAdditionalInputs(TestPlanExecutor.java:678)
	at org.wso2.testgrid.core.TestPlanExecutor.createDeployment(TestPlanExecutor.java:512)
	at org.wso2.testgrid.core.TestPlanExecutor.execute(TestPlanExecutor.java:144)
	at org.wso2.testgrid.core.command.RunTestPlanCommand.executeTestPlan(RunTestPlanCommand.java:275)
	at org.wso2.testgrid.core.command.RunTestPlanCommand.execute(RunTestPlanCommand.java:138)
	at org.wso2.testgrid.core.command.CommandHandler.execute(CommandHandler.java:130)
	at org.wso2.testgrid.core.Main.main(Main.java:47)
Caused by: java.lang.ClassCastException: java.lang.Boolean cannot be cast to java.lang.String
	at java.util.Properties.store0(Properties.java:834)
	at java.util.Properties.store(Properties.java:818)
	at org.wso2.testgrid.core.TestPlanExecutor.persistAdditionalInputs(TestPlanExecutor.java:676)
	... 6 more

Received mail:

Expectation:
This is an issue in testgrid.yaml, so it should be identified differently.