TestSplunkConnectivityInput

Test Splunk connectivity by connecting to the server info endpoint


`authMethod`	SplunkAuthMethod	Authentication method (default: Token)
`host`	String!	The hostname or IP address of the Splunk instance
`password`	String	Splunk password (for Basic auth)
`port`	Int	The REST API port (default: 8089)
`token`	String	Splunk API token (for Token auth)
`username`	String	Splunk username (for Basic auth)
`verifySsl`	Boolean	Enable SSL certificate verification (default: true)