Connection(Tests): fix oldauth tests

Author: alagoutte

Tests/integration/Connection.Tests.ps1

@@ -80,8 +80,8 @@ Describe "Connect to a fortigate (using HTTPS)" {
         $DefaultFGTConnection.serial | Should -Not -BeNullOrEmpty
     }
 
-    It "Connect to a FortiGate (using HTTPS) to old (before FortiOS 6.4 without -oldauth)" -Skip:($httpOnly -and $fgt_version -ge "6.4.0" ) {
-        { Connect-FGT $ipaddress -Username $login -password $mysecpassword -SkipCertificateCheck -port $port } | Should -throw "Log in failure. Most likely an incorrect username/password combo"
+    It "Connect to a FortiGate (using HTTPS) to old (before FortiOS 6.4 without -oldauth)" -Skip:($httpOnly -or $fgt_version -ge "6.4.0" ) {
+        { Connect-FGT $ipaddress -Username $login -password $mysecpassword -SkipCertificateCheck -port $port } | Should -throw "Not supported API Authentication method on this FortiGate (try use -oldauth parameter)"
     }
 }