Tests that setting breakpoint before enabling debugger produces an error
setBreakpointByUrl error: { "code": -32000, "message": "Debugger agent is not enabled" }
setBreakpoint error: {
"code": -32000, "message": "Debugger agent is not enabled" } setBreakpointOnFunctionCall error: { "code": -32000, "message": "Debugger agent is not enabled"
}