test and implementation for always showing npm version

bin/test

@@ -31,6 +31,7 @@ testSpecificVersion() {
   compile "specific-version"
   assertNotCaptured "Resolving node version"
   assertCaptured "Downloading and installing node 0.10.29"
+  assertCaptured "Using default npm version: 1.4.14"
   assertCapturedSuccess
 }
 
@@ -66,6 +67,21 @@ testSameNpm() {
   assertCapturedSuccess
 }
 
+testNpmVersionRange() {
+  compile "npm-version-range"
+  assertCaptured "Resolving npm version"
+  assertCaptured "installing npm 1.4."
+  assertCapturedSuccess
+}
+
+testNpmVersionSpecific() {
+  compile "npm-version-specific"
+  assertCaptured "installing npm 2.1.11"
+  assertNotCaptured "Resolving npm version"
+  assertNotCaptured "WARNING"
+  assertCapturedSuccess
+}
+
 testFailingBuild() {
   compile "failing-build"
   assertCaptured "Build failed"
@@ -301,21 +317,6 @@ testShrinkwrap() {
   assertCapturedSuccess
 }
 
-testNpmVersionRange() {
-  compile "npm-version-range"
-  assertCaptured "Resolving npm version"
-  assertCaptured "installing npm 1.4."
-  assertCapturedSuccess
-}
-
-testNpmVersionSpecific() {
-  compile "npm-version-specific"
-  assertCaptured "installing npm 2.1.11"
-  assertNotCaptured "Resolving npm version"
-  assertNotCaptured "WARNING"
-  assertCapturedSuccess
-}
-
 testProfileExport() {
   compile "stable-node"
   assertCaptured "Creating runtime environment"

lib/build.sh

@@ -99,6 +99,8 @@ install_npm() {
       npm install --quiet -g npm@$npm_engine 2>&1 >/dev/null | indent
     fi
     warn_old_npm `npm --version`
+  else
+    info "Using default npm version: `npm --version`"
   fi
 }