Add bin and edit workflow

bin/gems/facets-3.1.0/test/standard/math/test_lcm.rb

@@ -0,0 +1,13 @@
+require 'facets/math/lcm'
+
+test_case Math do
+
+  class_method :lcm do
+    test do
+      Math.lcm( 77, 221).assert == 17017
+      Math.lcm(143, 187).assert == 2431
+      Math.lcm( 91, 119).assert == 1547
+    end
+  end
+
+end