Organizing `nvm install` tests better.
diff --git a/test/slow/install from binary b/test/slow/nvm install/install from binary
similarity index 100%
rename from test/slow/install from binary
rename to test/slow/nvm install/install from binary
diff --git a/test/slow/install from source b/test/slow/nvm install/install from source
similarity index 100%
rename from test/slow/install from source
rename to test/slow/nvm install/install from source
diff --git a/test/slow/install two versions and use the latest one b/test/slow/nvm install/install two versions and use the latest one
similarity index 100%
rename from test/slow/install two versions and use the latest one
rename to test/slow/nvm install/install two versions and use the latest one