Add a spec for multiple global uses in one file (#1467)

See sass/dart-sass#832

Author: nex3

.travis.yml

@@ -30,7 +30,7 @@ matrix:
         - curl -o dart.zip "https://storage.googleapis.com/dart-archive/channels/stable/release/latest/sdk/dartsdk-linux-x64-release.zip"
         - unzip dart.zip
         - export PATH="$PATH:`pwd`/dart-sdk/bin"
-        - git clone https://github.com/sass/dart-sass.git ../dart-sass --depth 1 --branch feature.use
+        - git clone https://github.com/sass/dart-sass.git ../dart-sass --depth 1
         - (cd ../dart-sass; pub get)
       script: bundle exec sass-spec.rb --dart ../dart-sass
 

spec/directives/use/member.hrx

@@ -310,6 +310,29 @@ a {
   b: c;
 }
 
+<===>
+================================================================================
+<===> global/multiple/input.scss
+@use "left" as *;
+@use "right" as *;
+
+a {
+  left: $left;
+  right: $right;
+}
+
+<===> global/multiple/left.scss
+$left: left;
+
+<===> global/multiple/right.scss
+$right: right;
+
+<===> global/multiple/output.css
+a {
+  left: left;
+  right: right;
+}
+
 <===>
 ================================================================================
 <===> use_to_import/variable_use/input.scss