make test on go1.13.8 linux/amd6 (default on Ubuntu LTS 20.04)

gistfile1.txt

db/tests/utils.go:120:11: t.TempDir undefined (type testing.TB has no field or method TempDir)
note: module requires Go 1.17
FAIL    github.com/sourcenetwork/defradb/bench/collection [build failed]
FAIL    github.com/sourcenetwork/defradb/bench/query/planner [build failed]
FAIL    github.com/sourcenetwork/defradb/bench/query/simple [build failed]
FAIL    github.com/sourcenetwork/defradb/bench/storage [build failed]
ok      github.com/sourcenetwork/defradb/core   1.035s
ok      github.com/sourcenetwork/defradb/core/crdt      1.022s
ok      github.com/sourcenetwork/defradb/db     1.422s
FAIL    github.com/sourcenetwork/defradb/db/tests/mutation/inline_array/update [build failed]
FAIL    github.com/sourcenetwork/defradb/db/tests/mutation/simple/create [build failed]
FAIL    github.com/sourcenetwork/defradb/db/tests/mutation/simple/delete [build failed]
FAIL    github.com/sourcenetwork/defradb/db/tests/mutation/simple/update [build failed]
FAIL    github.com/sourcenetwork/defradb/db/tests/query/all_commits [build failed]
FAIL    github.com/sourcenetwork/defradb/db/tests/query/commit [build failed]
FAIL    github.com/sourcenetwork/defradb/db/tests/query/complex [build failed]
FAIL    github.com/sourcenetwork/defradb/db/tests/query/inline_array [build failed]
FAIL    github.com/sourcenetwork/defradb/db/tests/query/latest_commits [build failed]
FAIL    github.com/sourcenetwork/defradb/db/tests/query/one_to_many [build failed]
FAIL    github.com/sourcenetwork/defradb/db/tests/query/one_to_many_multiple [build failed]
FAIL    github.com/sourcenetwork/defradb/db/tests/query/one_to_one [build failed]
FAIL    github.com/sourcenetwork/defradb/db/tests/query/one_to_two_many [build failed]
FAIL    github.com/sourcenetwork/defradb/db/tests/query/simple [build failed]
ok      github.com/sourcenetwork/defradb/document       1.018s
ok      github.com/sourcenetwork/defradb/merkle/clock   1.025s
ok      github.com/sourcenetwork/defradb/merkle/crdt    1.025s
ok      github.com/sourcenetwork/defradb/query/graphql/parser   1.021s
ok      github.com/sourcenetwork/defradb/query/graphql/schema   1.260s
make: *** [Makefile:54: test] Error 2