Work with Phil on PR

Numbers are treated as strings, so removed those from the test.
Simplified validation of sshd_config_forcecommand to simply check if it
is a string.

manifests/init.pp

@@ -460,9 +460,7 @@ class ssh (
   }
 
   if $sshd_config_forcecommand != undef {
-    if is_string($sshd_config_forcecommand) == false {
-      fail("ssh::sshd_config_forcecommand must be a string. Detected value is ${sshd_config_forcecommand}.")
-    }
+    validate_string($sshd_config_forcecommand)
   }
 
   if $sshd_config_match != undef {

spec/classes/init_spec.rb

@@ -1120,14 +1120,14 @@ describe 'ssh' do
       end
     end
 
-    [true,3,2.42,['array'],a = { 'ha' => 'sh' }].each do |value|
+    [true,['array'],a = { 'ha' => 'sh' }].each do |value|
       context "set to invalid #{value} (as #{value.class})" do
         let (:params) {{'sshd_config_forcecommand' => value }}
 
         it 'should fail' do
           expect {
             should
-          }.to raise_error(Puppet::Error, /ssh::sshd_config_forcecommand must be a string. Detected value is #{value}/)
+          }.to raise_error(Puppet::Error, /is not a string/)
         end
       end
     end