Update test assert and rever update to install_go.sh script

Author: brayanhenao

scripts/install_go.sh

@@ -20,7 +20,9 @@ function main() {
 
   if [[ ! -f "${dir}/go/bin/go" ]]; then
     local url
-    url="https://buildpacks.cloudfoundry.org/dependencies/go/go_${version}_linux_x64_${CF_STACK}_${expected_sha:0:8}.tgz"
+    # TODO: use exact stack based dep, after go buildpack has cflinuxfs4 support
+    #url="https://buildpacks.cloudfoundry.org/dependencies/go/go_${version}_linux_x64_${CF_STACK}_${expected_sha:0:8}.tgz"
+    url="https://buildpacks.cloudfoundry.org/dependencies/go/go_${version}_linux_x64_cflinuxfs3_${expected_sha:0:8}.tgz"
 
     echo "-----> Download go ${version}"
     curl "${url}" \

src/python/integration/deploy_python_app_pipenv_test.go

@@ -70,8 +70,8 @@ var _ = Describe("deploying a flask web app", func() {
 
 				It("should fail because it requires all dependencies to be vendored", func() {
 					Expect(app.Push()).ToNot(Succeed())
-					Expect(app.Stdout.String()).ToNot(ContainSubstring("Running Pip Install (Vendored)"))
-					Expect(app.Stdout.String()).ToNot(ContainSubstring("Running pip install failed. You need to include all dependencies in the vendor directory."))
+					Expect(app.Stdout.String()).To(ContainSubstring("Running Pip Install (Vendored)"))
+					Expect(app.Stdout.String()).To(ContainSubstring("Running pip install failed. You need to include all dependencies in the vendor directory."))
 				})
 			})
 		})