fix lint errors

Fix a small ginkgo compare issue, and ignore dot imports.

Signed-off-by: Casey Callendrello <c1@caseyc.net>

.golangci.yml

@@ -6,6 +6,8 @@ issues:
     - linters:
         - revive
       text: " and that stutters;"
+    - path: '(.+)_test\.go'
+      text: "dot-imports: should not use dot imports"
 
 linters:
   disable:

pkg/ns/ns_linux_test.go

@@ -182,7 +182,7 @@ var _ = Describe("Linux namespace operations", func() {
 				testNsInode, err := getInodeNS(targetNetNS)
 				Expect(err).NotTo(HaveOccurred())
 
-				Expect(testNsInode).NotTo(Equal(0))
+				Expect(testNsInode).NotTo(Equal(uint64(0)))
 				Expect(testNsInode).NotTo(Equal(origNSInode))
 			})