[#599] Makefile: Remove test_dep target

Flag `-i` is deprecated in go1.16 and it
has pretty much no effect since go1.10 when
build cache was introduced. Read more about
this at https://golang.org/doc/go1.16

Signed-off-by: Alex Vanin <alexey@nspcc.ru>

.github/workflows/go.yml

@@ -35,9 +35,6 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-go-${{ matrix.go }}-
 
-      - name: Get test dependencies
-        run: make test_dep
-
       - name: Run go test
         run: go test -coverprofile=coverage.txt -covermode=atomic ./...
 

Makefile

@@ -49,12 +49,6 @@ dep:
 	GO111MODULE=on \
 	go mod tidy -v && echo OK
 
-test_dep:
-	@printf "⇒ Install test requirements: "
-	CGO_ENABLED=0 \
-	GO111MODULE=on \
-	go test -i ./... && echo OK
-
 # Regenerate proto files:
 protoc:
 	@GOPRIVATE=github.com/nspcc-dev go mod vendor
@@ -99,7 +93,7 @@ imports:
 	@GO111MODULE=on goimports -w cmd/ pkg/ misc/
 
 # Run Unit Test with go test
-test: test_dep
+test:
 	@echo "⇒ Running go test"
 	@GO111MODULE=on go test ./...