1 files changed, 5 insertions, 4 deletions
diff --git a/spec/ruby/core/random/new_spec.rb b/spec/ruby/core/random/new_spec.rb
index 4280b5b9c3..e20d487137 100644
--- a/spec/ruby/core/random/new_spec.rb
+++ b/spec/ruby/core/random/new_spec.rb
@@ -1,16 +1,17 @@
+require_relative "../../spec_helper"
 describe "Random.new" do
   it "returns a new instance of Random" do
-    Random.new.should be_an_instance_of(Random)
+    Random.new.should.instance_of?(Random)
   end
 
   it "uses a random seed value if none is supplied" do
-    Random.new.seed.should be_an_instance_of(Integer)
+    Random.new.seed.should.instance_of?(Integer)
   end
 
   it "returns Random instances initialized with different seeds" do
     first = Random.new
     second = Random.new
-    (0..20).map { first.rand } .should_not == (0..20).map { second.rand }
+    (0..20).map { first.rand }.should_not == (0..20).map { second.rand }
   end
 
   it "accepts an Integer seed value as an argument" do
@@ -32,6 +33,6 @@ describe "Random.new" do
   it "raises a RangeError if passed a Complex (with imaginary part) seed value as an argument" do
     -> do
       Random.new(Complex(20,2))
-    end.should raise_error(RangeError)
+    end.should.raise(RangeError)
   end
 end