Update travis to test specific packages

Add another netlink test and remove the -v from the dockerfile test
output
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@docker.com> (github: crosbymichael)

.travis.yml

@@ -31,4 +31,4 @@ script:
     - if [ "$TRAVIS_GLOBAL_WTF" ]; then bash "$DOCKER_PATH/hack/make/validate-dco"; fi
     - if [ "$TRAVIS_GLOBAL_WTF" ]; then bash "$DOCKER_PATH/hack/make/validate-gofmt"; fi
     - if [ -z "$TRAVIS_GLOBAL_WTF" ]; then go build -v ./...; fi
-    - if [ -z "$TRAVIS_GLOBAL_WTF" -a "$GOARCH" != 'arm' ]; then go test -v ./...; fi
+    - if [ -z "$TRAVIS_GLOBAL_WTF" -a "$GOARCH" != 'arm' ]; then go test -v . ./selinux ./cgroups ./cgroups/fs ./security/capabilities ./syncpipe; fi

Dockerfile

@@ -7,4 +7,4 @@ ADD . /go/src/github.com/docker/libcontainer
 WORKDIR /go/src/github.com/docker/libcontainer
 RUN go get -d ./... && go install ./...
 
-CMD ["go", "test", "-v", "-cover", "./..."]
+CMD ["go", "test", "-cover", "./..."]

netlink/netlink_linux_test.go

@@ -26,3 +26,22 @@ func TestCreateBridgeWithMac(t *testing.T) {
 		t.Fatal("expected error getting interface because bridge was deleted")
 	}
 }
+
+func TestCreateVethPair(t *testing.T) {
+	var (
+		name1 = "veth1"
+		name2 = "veth2"
+	)
+
+	if err := NetworkCreateVethPair(name1, name2); err != nil {
+		t.Fatal(err)
+	}
+
+	if _, err := net.InterfaceByName(name1); err != nil {
+		t.Fatal(err)
+	}
+
+	if _, err := net.InterfaceByName(name2); err != nil {
+		t.Fatal(err)
+	}
+}