Bump to go 1.13

* Update default version of hwc

[#169957279]

Author: mdelillo

Diff for: go.mod

@@ -6,4 +6,7 @@ require (
 	github.com/golang/mock v1.3.1
 	github.com/onsi/ginkgo v1.10.3
 	github.com/onsi/gomega v1.7.0
+	golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e // indirect
 )
+
+go 1.13

Diff for: go.sum

@@ -66,6 +66,8 @@ golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20191010194322-b09406accb47 h1:/XfQ9z7ib8eEJX2hdgFTZJ/ntt0swNk5oYBziWeTCvY=
 golang.org/x/sys v0.0.0-20191010194322-b09406accb47/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e h1:N7DeIrjYszNmSW409R3frPPwglRwMkXSBzwVbkOjLLA=
+golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=

Diff for: manifest.yml

@@ -2,7 +2,7 @@
 language: hwc
 default_versions:
 - name: hwc
-  version: 17.0.0
+  version: 18.0.0
 dependencies:
 - name: hwc
   version: 18.0.0

Diff for: src/hwc/brats/brats_suite_test.go

@@ -15,6 +15,11 @@ import (
 	. "github.com/onsi/gomega"
 )
 
+var _ = func() bool {
+	testing.Init()
+	return true
+}()
+
 func init() {
 	flag.StringVar(&cutlass.DefaultMemory, "memory", "1GB", "default memory for pushed apps")
 	flag.StringVar(&cutlass.DefaultDisk, "disk", "1GB", "default disk for pushed apps")

Diff for: src/hwc/integration/integration_suite_test.go

@@ -23,6 +23,11 @@ var bpDir string
 var buildpackVersion string
 var packagedBuildpack cutlass.VersionedBuildpackPackage
 
+var _ = func() bool {
+	testing.Init()
+	return true
+}()
+
 func init() {
 	flag.StringVar(&buildpackVersion, "version", "", "version to use (builds if empty)")
 	flag.BoolVar(&cutlass.Cached, "cached", true, "cached buildpack")