Go vet fixes.

auth/auth_test.go

@@ -317,15 +317,15 @@ func TestAuth_logoutHandlerFunc_GET(t *testing.T) {
 	}
 
 	if val, ok := sessionStorer.Get(authboss.SessionKey); ok {
-		t.Errorf("Unexpected session key:", val)
+		t.Error("Unexpected session key:", val)
 	}
 
 	if val, ok := sessionStorer.Get(authboss.SessionLastAction); ok {
-		t.Errorf("Unexpected last action:", val)
+		t.Error("Unexpected last action:", val)
 	}
 
 	if val, ok := cookieStorer.Get(authboss.CookieRemember); ok {
-		t.Errorf("Unexpected rm cookie:", val)
+		t.Error("Unexpected rm cookie:", val)
 	}
 
 	if http.StatusFound != w.Code {

confirm/confirm_test.go

@@ -159,7 +159,7 @@ func TestConfirm_ConfirmHandlerErrors(t *testing.T) {
 
 		err := c.confirmHandler(ctx, w, r)
 		if err == nil {
-			t.Fatal("%d) Expected an error", i)
+			t.Fatalf("%d) Expected an error", i)
 		}
 
 		if !reflect.DeepEqual(err, test.Error) {

lock/lock_test.go

@@ -98,7 +98,7 @@ func TestAfterAuthFail_Lock(t *testing.T) {
 			t.Errorf("%d: StoreAttemptNumber set incorrectly: %v", i, val)
 		}
 		if current, ok = storer.Users[email][StoreAttemptTime].(time.Time); !ok || old.After(current) {
-			t.Error("%d: StoreAttemptTime not set correctly: %v", i, current)
+			t.Errorf("%d: StoreAttemptTime not set correctly: %v", i, current)
 		}
 
 		current = old

oauth2/oauth2_test.go

@@ -160,7 +160,10 @@ func TestOAuthSuccess(t *testing.T) {
 				ClientID:     `jazz`,
 				ClientSecret: `hands`,
 				Scopes:       []string{`profile`, `email`},
-				Endpoint:     oauth2.Endpoint{"fakeauth", "faketoken"},
+				Endpoint: oauth2.Endpoint{
+					AuthURL:  "fakeauth",
+					TokenURL: "faketoken",
+				},
 			},
 			Callback:         fakeCallback,
 			AdditionalParams: url.Values{"include_requested_scopes": []string{"true"}},

storer_test.go

@@ -387,7 +387,7 @@ func TestUnbind_Valuer(t *testing.T) {
 		Count sql.NullInt64
 		Time  NullTime
 	}{
-		sql.NullInt64{12, true},
+		sql.NullInt64{Int64: 12, Valid: true},
 		NullTime{nowTime, true},
 	}