Ensure dependencies are built before test

Signed-off-by: Hidde Beydals <hello@hidde.co>

Author: hiddeco

Makefile

@@ -25,7 +25,7 @@ endif
 all: manager
 
 # Run tests
-test:
+test: $(PKG_CONFIG_PATH)
 	PKG_CONFIG_PATH=$(PKG_CONFIG_PATH) \
 	LD_LIBRARY_PATH=$(LD_LIBRARY_PATH) \
 	go test --tags $(GO_TAGS) ./... -coverprofile cover.out