Rename "install" -> "get" and "update" -> "upgrade".

sdk/lib/_internal/pub/test/get/hosted/get_test.dart

Index: sdk/lib/_internal/pub/test/get/hosted/get_test.dart
diff --git a/sdk/lib/_internal/pub/test/install/hosted/install_test.dart b/sdk/lib/_internal/pub/test/get/hosted/get_test.dart
similarity index 86%
rename from sdk/lib/_internal/pub/test/install/hosted/install_test.dart
rename to sdk/lib/_internal/pub/test/get/hosted/get_test.dart
index f47a87fb3d01d826ff96846681336c22823b21c1..40eaca5e553ac9336f6a5ec39c4c8736e82bd19c 100644
--- a/sdk/lib/_internal/pub/test/install/hosted/install_test.dart
+++ b/sdk/lib/_internal/pub/test/get/hosted/get_test.dart
@@ -9,12 +9,12 @@ import '../../test_pub.dart';
 
 main() {
   initConfig();
-  integration('installs a package from a pub server', () {
+  integration('gets a package from a pub server', () {
     servePackages([packageMap("foo", "1.2.3")]);
 
     d.appDir({"foo": "1.2.3"}).create();
 
-    pubInstall();
+    pubGet();
 
     d.cacheDir({"foo": "1.2.3"}).validate();
     d.packagesDir({"foo": "1.2.3"}).validate();
@@ -25,7 +25,7 @@ main() {
 
     d.appDir({"bad name!": "1.2.3"}).create();
 
-    pubInstall(error: new RegExp(
+    pubGet(error: new RegExp(
         r'Could not find package "bad name!" at http://127\.0\.0\.1:\d+\.$'));
   });
 }