Makefile+github: run unit tests

Currently only the unit-race check and the integration tests are run.
This commit ensures that the unit tests are also run.

.github/workflows/main.yml

@@ -194,6 +194,23 @@ jobs:
       - name: run check
         run: make unit-race
 
+  unit:
+    name: unit tests
+    runs-on: ubuntu-latest
+    steps:
+      - name: git checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: setup go ${{ env.GO_VERSION }}
+        uses: actions/setup-go@v2
+        with:
+          go-version: '${{ env.GO_VERSION }}'
+
+      - name: run check
+        run: make unit
+
   itest:
     name: integration test
     runs-on: ubuntu-latest

Makefile

@@ -148,7 +148,8 @@ check: unit
 
 unit:
 	@$(call print, "Running unit tests.")
-	$(UNIT)
+	mkdir -p app/build && touch app/build/index.html
+	$(UNIT) -tags="$(LND_RELEASE_TAGS)"
 
 unit-cover: $(GOACC_BIN)
 	@$(call print, "Running unit coverage tests.")
@@ -156,7 +157,7 @@ unit-cover: $(GOACC_BIN)
 
 unit-race:
 	@$(call print, "Running unit race tests.")
-	mkdir app/build && touch app/build/index.html
+	mkdir -p app/build && touch app/build/index.html
 	env CGO_ENABLED=1 GORACE="history_size=7 halt_on_errors=1" $(UNIT_RACE) -tags="$(LND_RELEASE_TAGS)"
 
 goveralls: $(GOVERALLS_BIN)