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

sdk/lib/_internal/pub/test/serve/gets_first_if_dependency_version_changed_test.dart

Index: sdk/lib/_internal/pub/test/serve/gets_first_if_dependency_version_changed_test.dart
diff --git a/sdk/lib/_internal/pub/test/serve/installs_first_if_dependency_version_changed_test.dart b/sdk/lib/_internal/pub/test/serve/gets_first_if_dependency_version_changed_test.dart
similarity index 83%
rename from sdk/lib/_internal/pub/test/serve/installs_first_if_dependency_version_changed_test.dart
rename to sdk/lib/_internal/pub/test/serve/gets_first_if_dependency_version_changed_test.dart
index 9652259df894774fe8cac7bd83fcb9a3d1b1d311..f57760511f65cde1ea591feae0f1aa3f7a5544a4 100644
--- a/sdk/lib/_internal/pub/test/serve/installs_first_if_dependency_version_changed_test.dart
+++ b/sdk/lib/_internal/pub/test/serve/gets_first_if_dependency_version_changed_test.dart
@@ -10,8 +10,8 @@ import 'utils.dart';
 
 main() {
   initConfig();
-  integration("installs first if a dependency's version doesn't match the one "
-      "in the lock file", () {
+  integration("gets first if a dependency's version doesn't match the one in "
+      "the lock file", () {
     d.dir("foo", [
       d.libPubspec("foo", "0.0.1"),
       d.libDir("foo")
@@ -24,7 +24,7 @@ main() {
       }
     }).create();
 
-    pubInstall();
+    pubGet();
 
     // Change the version in the pubspec and package.
     d.appDir({
@@ -39,7 +39,7 @@ main() {
       d.libDir("foo")
     ]).create();
 
-    startPubServe(shouldInstallFirst: true);
+    startPubServe(shouldGetFirst: true);
     requestShouldSucceed("packages/foo/foo.dart", 'main() => "foo";');
     endPubServe();
   });