test: Add cleanup target that removes dangling test containers

Makefile

@@ -64,7 +64,26 @@ ucind-multiarch-image-push:
 
 .PHONY: test
 test:
+ifeq ($(TEST_NAME),)
 	go test -v ./...
+else
+	go test -v -run ^$(TEST_NAME)$$ ./...
+endif
+
+.PHONY: test-clean
+test-clean:
+	@CONTAINERS=$$(docker ps --filter "name=ucind-test" -q); \
+	if [ -n "$$CONTAINERS" ]; then \
+		echo "Killing containers..."; \
+		docker kill $$CONTAINERS; \
+	fi; \
+	CONTAINERS_STOPPED=$$(docker ps -a --filter "name=ucind-test" -q); \
+	if [ -n "$$CONTAINERS_STOPPED" ]; then \
+		echo "Removing stopped containers..."; \
+		docker rm $$CONTAINERS_STOPPED; \
+	else \
+		echo "Nothing to clean."; \
+	fi
 
 .PHONY: vet
 vet:

internal/ucind/cluster.go

@@ -72,7 +72,7 @@ func (p *Provisioner) CreateCluster(ctx context.Context, name string, opts Creat
 			ManagedLabel:     "",
 		},
 	}
-	// Create a Docker network with the same as the cluster name.
+	// Create a Docker network with the same name as the cluster name.
 	if _, err = p.dockerCli.NetworkCreate(ctx, name, netOpts); err != nil {
 		return c, fmt.Errorf("create Docker network '%s': %w", name, err)
 	}