Move the 4 misplaced tests

diff --git a/spec/functions/defined_with_params_spec.rb b/spec/unit/puppet/parser/functions/defined_with_params_spec.rb
similarity index 100%
rename from spec/functions/defined_with_params_spec.rb
rename to spec/unit/puppet/parser/functions/defined_with_params_spec.rb

diff --git a/spec/functions/ensure_packages_spec.rb b/spec/unit/puppet/parser/functions/ensure_packages_spec.rb
similarity index 100%
rename from spec/functions/ensure_packages_spec.rb
rename to spec/unit/puppet/parser/functions/ensure_packages_spec.rb

diff --git a/spec/functions/ensure_resource_spec.rb b/spec/unit/puppet/parser/functions/ensure_resource_spec.rb
similarity index 100%
rename from spec/functions/ensure_resource_spec.rb
rename to spec/unit/puppet/parser/functions/ensure_resource_spec.rb

diff --git a/spec/functions/getparam_spec.rb b/spec/unit/puppet/parser/functions/getparam_spec.rb
similarity index 100%
rename from spec/functions/getparam_spec.rb
rename to spec/unit/puppet/parser/functions/getparam_spec.rb