make changes in test_file.go.tmpl to generate identity test on abcd products

Author: BBBmau

mmv1/templates/terraform/examples/base_configs/test_file.go.tmpl

@@ -102,8 +102,8 @@ func TestAcc{{ $e.TestSlug $.Res.ProductMetadata.Name $.Res.Name }}(t *testing.T
 			},
 	{{- end }}
 	{{- if eq $i 0 }}
-	{{- if lt (index $.Res.ProductMetadata.ApiName 0) 'a' }}
-
+	{{- $firstChar := index $.Res.ProductMetadata.ApiName 0 -}}
+	{{- if or (and (ge $firstChar 'a') (le $firstChar 'b')) (eq $firstChar 'c') (eq $firstChar 'd') }}
 			{
 				ResourceName:       "{{ $.Res.TerraformName }}.{{ $e.PrimaryResourceId }}",
 				RefreshState:       true,