Add unit tests for the two functions used in the exports mixin

.gitignore

@@ -6,6 +6,6 @@ bower_components/*
 node_modules/
 npm-debug.log
 /dist/*
-/.sass-cache/*
+.sass-cache/
 /build/*
 /tests/unit/scss/*.css*

scss/helpers/_functions.scss

@@ -1,4 +1,3 @@
-<<<<<<< HEAD
 // Foundation for Apps ALPHA
 // by ZURB
 // foundation.zurb.com
@@ -46,10 +45,8 @@ $modules: () !default;
 @mixin exports($name) {
   // Check if the module has already been imported
   @if not imported($name) {
-    @debug "#{$name} has not yet been imported.";
     // Check if the module should be used
     @if using($name) {
-      @debug "#{$name} is being used.";
       $modules: append($modules, $name) !global;
       @content;
     }

tests/unit/scss/tests.scss

@@ -4,6 +4,29 @@
 
 @include runner-start;
 
+@include describe("Using") {
+  @include it("should check if a module is in use") {
+    $include-css: (
+      one: true,
+      two: false,
+    ) !global;
+
+    @include should(expect(using(one)), to(be(true)));
+    @include should(expect(using(two)), to(be(false)));
+  }
+}
+
+@include describe("Imported") {
+  @include it("should check if a module has already been imported") {
+    $modules: () !global;
+
+    @include exports(test) {}
+
+    @include should(expect(imported(test)), to(be(true)));
+    @include should(expect(imported(testTwo)), to(be(false)));
+  }
+}
+
 @include describe("Map Serialize") {
   @include it("should convert a Sass map into a JSON string") {
     $input: (