+ content = []byte(fmtKeepBalanceConfig(`"KeepServiceTypes":[],`))
+ _, err = testLoadLegacyConfig(content, f, c)
+ c.Check(err, check.IsNil)
+
+ content = []byte(fmtKeepBalanceConfig(`"KeepServiceTypes":["proxy"],`))
+ _, err = testLoadLegacyConfig(content, f, c)
+ c.Check(err, check.NotNil)
+
+ content = []byte(fmtKeepBalanceConfig(`"KeepServiceTypes":["disk", "proxy"],`))
+ _, err = testLoadLegacyConfig(content, f, c)
+ c.Check(err, check.NotNil)
+