refactor: Change name of error that is returned when implementation d…

…oes not support method

internal/http/http.go

@@ -22,7 +22,7 @@ var ErrConnectionIsNil = errors.New("expected connection to be set, was nil")
 
 var ErrInvalidHeaderFormat = errors.New("invalid header format detected. Expected format: \"key: value\"")
 
-var ErrMethodNotImplemented = errors.New("the implementation does not support the method")
+var ErrImplementationDoesNotSupportMethod = errors.New("the implementation does not support the method")
 
 type Client interface {
 	Get(string) (Response, error)
@@ -36,7 +36,7 @@ var supported_methods = []string{"GET", "HEAD"}
 
 func (hc *HttpClient) Do(request Request) (Response, error) {
 	if !slices.Contains(supported_methods, request.Method) {
-		return Response{}, ErrMethodNotImplemented
+		return Response{}, ErrImplementationDoesNotSupportMethod
 	}
 
 	written, err := hc.Write([]byte(request.ToRaw()))

internal/http/http_test.go

@@ -68,8 +68,8 @@ func TestDo(t *testing.T) {
 
 	_, err := c.Do(request)
 
-	if err != ErrMethodNotImplemented {
-		t.Errorf("got %s want %s", err, ErrMethodNotImplemented)
+	if err != ErrImplementationDoesNotSupportMethod {
+		t.Errorf("got %s want %s", err, ErrImplementationDoesNotSupportMethod)
 	}
 }