remove nullable, as I felt it was a little bit too drastic of a change

admin_organization.go

@@ -59,13 +59,13 @@ type AdminOrganization struct {
 // AdminOrganizationUpdateOptions represents the admin options for updating an organization.
 // https://www.terraform.io/docs/cloud/api/admin/organizations.html#request-body
 type AdminOrganizationUpdateOptions struct {
-	AccessBetaTools                  *bool        `jsonapi:"attr,access-beta-tools,omitempty"`
-	GlobalModuleSharing              *bool        `jsonapi:"attr,global-module-sharing,omitempty"`
-	IsDisabled                       *bool        `jsonapi:"attr,is-disabled,omitempty"`
-	TerraformBuildWorkerApplyTimeout *string      `jsonapi:"attr,terraform-build-worker-apply-timeout,omitempty"`
-	TerraformBuildWorkerPlanTimeout  *string      `jsonapi:"attr,terraform-build-worker-plan-timeout,omitempty"`
-	TerraformWorkerSudoEnabled       bool         `jsonapi:"attr,terraform-worker-sudo-enabled,omitempty"`
-	WorkspaceLimit                   *NullableInt `jsonapi:"attr,workspace-limit,omitempty"`
+	AccessBetaTools                  *bool   `jsonapi:"attr,access-beta-tools,omitempty"`
+	GlobalModuleSharing              *bool   `jsonapi:"attr,global-module-sharing,omitempty"`
+	IsDisabled                       *bool   `jsonapi:"attr,is-disabled,omitempty"`
+	TerraformBuildWorkerApplyTimeout *string `jsonapi:"attr,terraform-build-worker-apply-timeout,omitempty"`
+	TerraformBuildWorkerPlanTimeout  *string `jsonapi:"attr,terraform-build-worker-plan-timeout,omitempty"`
+	TerraformWorkerSudoEnabled       bool    `jsonapi:"attr,terraform-worker-sudo-enabled,omitempty"`
+	WorkspaceLimit                   *int    `jsonapi:"attr,workspace-limit,omitempty"`
 }
 
 // AdminOrganizationList represents a list of organizations via Admin API.

admin_organization_integration_test.go

@@ -252,7 +252,7 @@ func TestAdminOrganizations_Update(t *testing.T) {
 		opts = AdminOrganizationUpdateOptions{
 			GlobalModuleSharing: &globalModuleSharing,
 			IsDisabled:          &isDisabled,
-			WorkspaceLimit:      &NullableInt{&workspaceLimit},
+			WorkspaceLimit:      &workspaceLimit,
 		}
 
 		adminOrg, err = client.Admin.Organizations.Update(ctx, org.Name, opts)
@@ -265,10 +265,11 @@ func TestAdminOrganizations_Update(t *testing.T) {
 
 		globalModuleSharing = false
 		isDisabled = false
+		workspaceLimit = 0
 		opts = AdminOrganizationUpdateOptions{
 			GlobalModuleSharing: &globalModuleSharing,
 			IsDisabled:          &isDisabled,
-			WorkspaceLimit:      &NullableInt{nil},
+			WorkspaceLimit:      &workspaceLimit,
 		}
 
 		adminOrg, err = client.Admin.Organizations.Update(ctx, org.Name, opts)
@@ -278,7 +279,7 @@ func TestAdminOrganizations_Update(t *testing.T) {
 		assert.Equal(t, &globalModuleSharing, adminOrg.GlobalModuleSharing)
 		assert.Equal(t, adminOrg.IsDisabled, isDisabled)
 
-		assert.Nil(t, adminOrg.WorkspaceLimit)
+		assert.Equal(t, &workspaceLimit, adminOrg.WorkspaceLimit)
 	})
 }