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

sdk/lib/_internal/pub/test/get/path/no_pubspec_test.dart

Index: sdk/lib/_internal/pub/test/get/path/no_pubspec_test.dart
diff --git a/sdk/lib/_internal/pub/test/install/path/no_pubspec_test.dart b/sdk/lib/_internal/pub/test/get/path/no_pubspec_test.dart
similarity index 89%
rename from sdk/lib/_internal/pub/test/install/path/no_pubspec_test.dart
rename to sdk/lib/_internal/pub/test/get/path/no_pubspec_test.dart
index 7abaaf310d402ba0d0f63c2406093c49fcb73229..0d858c0c377a17fe1ccd660f73c4cd72f8fd7e05 100644
--- a/sdk/lib/_internal/pub/test/install/path/no_pubspec_test.dart
+++ b/sdk/lib/_internal/pub/test/get/path/no_pubspec_test.dart
@@ -20,7 +20,7 @@ main() {
       })
     ]).create();
 
-    pubInstall(error: new RegExp(r'Could not find a file named "pubspec.yaml" '
+    pubGet(error: new RegExp(r'Could not find a file named "pubspec.yaml" '
         r'in "[^\n]*"\.'));
   });
 }