feat: delete user scim v2 endpoint (#9151)

# Which Problems Are Solved
- Adds support for the user delete SCIM v2 endpoint

# How the Problems Are Solved
- Adds support for the user delete SCIM v2 endpoint under `DELETE
/scim/v2/{orgID}/Users/{id}`

# Additional Context
Part of #8140

internal/integration/scim/assertions.go

@@ -0,0 +1,22 @@
+package scim
+
+import (
+	"errors"
+	"strconv"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+type AssertedScimError struct {
+	Error *ScimError
+}
+
+func RequireScimError(t require.TestingT, httpStatus int, err error) AssertedScimError {
+	require.Error(t, err)
+
+	var scimErr *ScimError
+	assert.True(t, errors.As(err, &scimErr))
+	assert.Equal(t, strconv.Itoa(httpStatus), scimErr.Status)
+	return AssertedScimError{scimErr} // wrap it, otherwise error handling is enforced
+}

internal/integration/scim/client.go

@@ -58,6 +58,19 @@ func (c *ResourceClient) Create(ctx context.Context, orgID string, body []byte)
 	return user, err
 }
 
+func (c *ResourceClient) Delete(ctx context.Context, orgID, id string) error {
+	return c.do(ctx, http.MethodDelete, orgID, id)
+}
+
+func (c *ResourceClient) do(ctx context.Context, method, orgID, url string) error {
+	req, err := http.NewRequestWithContext(ctx, method, c.buildURL(orgID, url), nil)
+	if err != nil {
+		return err
+	}
+
+	return c.doReq(req, nil)
+}
+
 func (c *ResourceClient) doWithBody(ctx context.Context, method, orgID, url string, body io.Reader, responseEntity interface{}) error {
 	req, err := http.NewRequestWithContext(ctx, method, c.buildURL(orgID, url), body)
 	if err != nil {