fixed spelling error

backend/v3/storage/database/repository/instance.go

@@ -83,16 +83,16 @@ func (i *instance) Create(ctx context.Context, instance *domain.Instance) error
 			// constraint violation
 			if pgErr.Code == "23514" {
 				if pgErr.ConstraintName == "instances_name_check" {
-					return errors.New("instnace name not provided")
+					return errors.New("instance name not provided")
 				}
 				if pgErr.ConstraintName == "instances_id_check" {
-					return errors.New("instnace id not provided")
+					return errors.New("instance id not provided")
 				}
 			}
 			// duplicate
 			if pgErr.Code == "23505" {
 				if pgErr.ConstraintName == "instances_pkey" {
-					return errors.New("instnace id already exists")
+					return errors.New("instance id already exists")
 				}
 			}
 		}

backend/v3/storage/database/repository/instance_test.go

@@ -54,7 +54,7 @@ func TestCreateInstance(t *testing.T) {
 				}
 				return instance
 			}(),
-			err: errors.New("instnace name not provided"),
+			err: errors.New("instance name not provided"),
 		},
 		{
 			name: "adding same instance twice",
@@ -78,7 +78,7 @@ func TestCreateInstance(t *testing.T) {
 				require.NoError(t, err)
 				return &inst
 			},
-			err: errors.New("instnace id already exists"),
+			err: errors.New("instance id already exists"),
 		},
 		{
 			name: "adding instance with no id",
@@ -96,7 +96,7 @@ func TestCreateInstance(t *testing.T) {
 				}
 				return instance
 			}(),
-			err: errors.New("instnace id not provided"),
+			err: errors.New("instance id not provided"),
 		},
 	}
 	for _, tt := range tests {