diff --git a/server/auth_test.go b/server/auth_test.go
index f07d30d..8cd4a38 100644
--- a/server/auth_test.go
+++ b/server/auth_test.go
@@ -92,20 +92,7 @@ func TestServerAuthHandlerErrors(t *testing.T) {
 
 			server.getAuthToken(w, req)
 
-			if want, got := tc.expectedStatusCode, w.Result().StatusCode; want != got {
-				t.Errorf("StatusCode: expected %d, got %d", want, got)
-			}
-
-			body, _ := ioutil.ReadAll(w.Body)
-
-			var result ErrorResponse
-			if err := json.Unmarshal(body, &result); err != nil {
-				t.Fatalf("Error decoding error message %s: `%s`", err, body)
-			}
-
-			if want, got := tc.expectedErrorString, result.Error; want != got {
-				t.Errorf("Error String: expected %s, got %s", want, got)
-			}
+			expectErrorResponse(t, w, tc.expectedStatusCode, tc.expectedErrorString)
 		})
 	}
 }
diff --git a/server/register_test.go b/server/register_test.go
index 879313b..c8ec4b4 100644
--- a/server/register_test.go
+++ b/server/register_test.go
@@ -2,7 +2,6 @@ package server
 
 import (
 	"bytes"
-	"encoding/json"
 	"fmt"
 	"io/ioutil"
 	"net/http"
@@ -78,20 +77,7 @@ func TestServerRegisterErrors(t *testing.T) {
 
 			server.register(w, req)
 
-			if want, got := tc.expectedStatusCode, w.Result().StatusCode; want != got {
-				t.Errorf("StatusCode: expected %d, got %d", want, got)
-			}
-
-			body, _ := ioutil.ReadAll(w.Body)
-
-			var result ErrorResponse
-			if err := json.Unmarshal(body, &result); err != nil {
-				t.Fatalf("Error decoding error message %s: `%s`", err, body)
-			}
-
-			if want, got := tc.expectedErrorString, result.Error; want != got {
-				t.Errorf("Error String: expected %s, got %s", want, got)
-			}
+			expectErrorResponse(t, w, tc.expectedStatusCode, tc.expectedErrorString)
 		})
 	}
 }
diff --git a/server/server_test.go b/server/server_test.go
index d59dd40..838ed2a 100644
--- a/server/server_test.go
+++ b/server/server_test.go
@@ -91,6 +91,26 @@ func (s *TestStore) GetWallet(userId auth.UserId) (encryptedWallet wallet.Encryp
 	return
 }
 
+// expectErrorResponse: A helper to call in functions that test that request
+// handlers fail with a certain status code and error string. Cuts down on
+// noise.
+func expectErrorResponse(t *testing.T, w *httptest.ResponseRecorder, expectedStatusCode int, expectedErrorString string) {
+	if want, got := expectedStatusCode, w.Result().StatusCode; want != got {
+		t.Errorf("StatusCode: expected %d, got %d", want, got)
+	}
+
+	body, _ := ioutil.ReadAll(w.Body)
+
+	var result ErrorResponse
+	if err := json.Unmarshal(body, &result); err != nil {
+		t.Fatalf("Error decoding error message %s: `%s`", err, body)
+	}
+
+	if want, got := expectedErrorString, result.Error; want != got {
+		t.Errorf("Error String: expected %s, got %s", want, got)
+	}
+}
+
 func TestServerHelperCheckAuthSuccess(t *testing.T) {
 	t.Fatalf("Test me: checkAuth success")
 }
@@ -168,20 +188,7 @@ func TestServerHelperGetPostDataErrors(t *testing.T) {
 				t.Errorf("getPostData succeeded unexpectedly")
 			}
 
-			if want, got := tc.expectedStatusCode, w.Result().StatusCode; want != got {
-				t.Errorf("StatusCode: expected %d, got %d", want, got)
-			}
-
-			body, _ := ioutil.ReadAll(w.Body)
-
-			var result ErrorResponse
-			if err := json.Unmarshal(body, &result); err != nil {
-				t.Fatalf("Error decoding error message %s: `%s`", err, body)
-			}
-
-			if want, got := tc.expectedErrorString, result.Error; want != got {
-				t.Errorf("Error String: expected %s, got %s", want, got)
-			}
+			expectErrorResponse(t, w, tc.expectedStatusCode, tc.expectedErrorString)
 		})
 	}
 }