Refactor Truffle::TimeOperations.compose to move out handling of two method signatures

Author: andrykonchin

core/time/shared/time_params.rb

@@ -179,6 +179,10 @@
     }.should raise_error(ArgumentError, "argument out of range")
   end
 
+  it "raises ArgumentError when given 8 arguments" do
+    -> { Time.send(@method, *[0]*8) }.should raise_error(ArgumentError)
+  end
+
   it "raises ArgumentError when given 9 arguments" do
     -> { Time.send(@method, *[0]*9) }.should raise_error(ArgumentError)
   end