Update the recovery Makefile to use absolute paths.

Change-Id: I483215137d7b4211a4f369ca108f30c1c408b028
Reviewed-on: https://chromium-review.googlesource.com/c/infra/infra/+/7450816
Reviewed-by: Bryan Ni <bniche@google.com>
Commit-Queue: Gregory Nisbet <gregorynisbet@google.com>
Cr-Commit-Position: refs/heads/main@{#78387}
diff --git a/go/src/infra/cros/recovery/Makefile b/go/src/infra/cros/recovery/Makefile
index f64866c..44e9a61 100644
--- a/go/src/infra/cros/recovery/Makefile
+++ b/go/src/infra/cros/recovery/Makefile
@@ -8,21 +8,21 @@
 
 build:
 	@go vet ./...
-	@go test ./...
+	@go test -fullpath ./...
 	go build ./...
 
 test:
-	CGO_ENABLED=1 go test -race ./...
-	go test ../cmd/paris/...
-	go test ../cmd/labpack/...
-	go test ../../cmd/mallet/...
+	CGO_ENABLED=1 go test -fullpath -race ./...
+	go test -fullpath ../cmd/paris/...
+	go test -fullpath ../cmd/labpack/...
+	go test -fullpath ../../cmd/mallet/...
 
 # quick test running
 testf:
-	go test ./...
-	go test ../cmd/paris/...
-	go test ../cmd/labpack/...
-	go test ../../cmd/mallet/...
+	go test -fullpath ./...
+	go test -fullpath ../cmd/paris/...
+	go test -fullpath ../cmd/labpack/...
+	go test -fullpath ../../cmd/mallet/...
 
 gen:
 	# Generate proto files
@@ -31,4 +31,4 @@
 
 trees:
 	# Generate config tree files
-	RECOVERY_GENERATE_CONFIG_TREE=ON go test -run TestConfigTreeChanges
+	RECOVERY_GENERATE_CONFIG_TREE=ON go test -fullpath -run TestConfigTreeChanges