1 files changed, 18 insertions, 21 deletions
diff --git a/spec/ruby/library/matrix/upper_triangular_spec.rb b/spec/ruby/library/matrix/upper_triangular_spec.rb
index cc2aeb7233..2514294a80 100644
--- a/spec/ruby/library/matrix/upper_triangular_spec.rb
+++ b/spec/ruby/library/matrix/upper_triangular_spec.rb
@@ -1,27 +1,24 @@
 require_relative '../../spec_helper'
+require 'matrix'
 
-ruby_version_is ""..."3.1" do
-  require 'matrix'
-
-  describe "Matrix.upper_triangular?" do
-    it "returns true for an upper triangular Matrix" do
-      Matrix[[1, 2, 3], [0, 2, 3], [0, 0, 3]].upper_triangular?.should be_true
-      Matrix.diagonal([1, 2, 3]).upper_triangular?.should be_true
-      Matrix[[1, 2], [0, 2], [0, 0], [0, 0]].upper_triangular?.should be_true
-      Matrix[[1, 2, 3, 4], [0, 2, 3, 4]].upper_triangular?.should be_true
-    end
+describe "Matrix.upper_triangular?" do
+  it "returns true for an upper triangular Matrix" do
+    Matrix[[1, 2, 3], [0, 2, 3], [0, 0, 3]].upper_triangular?.should be_true
+    Matrix.diagonal([1, 2, 3]).upper_triangular?.should be_true
+    Matrix[[1, 2], [0, 2], [0, 0], [0, 0]].upper_triangular?.should be_true
+    Matrix[[1, 2, 3, 4], [0, 2, 3, 4]].upper_triangular?.should be_true
+  end
 
-    it "returns false for a non upper triangular square Matrix" do
-      Matrix[[0, 0], [1, 0]].upper_triangular?.should be_false
-      Matrix[[1, 2, 3], [1, 2, 3], [1, 2, 3]].upper_triangular?.should be_false
-      Matrix[[0, 0], [0, 0], [0, 0], [0, 1]].upper_triangular?.should be_false
-      Matrix[[0, 0, 0, 0], [1, 0, 0, 0]].upper_triangular?.should be_false
-    end
+  it "returns false for a non upper triangular square Matrix" do
+    Matrix[[0, 0], [1, 0]].upper_triangular?.should be_false
+    Matrix[[1, 2, 3], [1, 2, 3], [1, 2, 3]].upper_triangular?.should be_false
+    Matrix[[0, 0], [0, 0], [0, 0], [0, 1]].upper_triangular?.should be_false
+    Matrix[[0, 0, 0, 0], [1, 0, 0, 0]].upper_triangular?.should be_false
+  end
 
-    it "returns true for an empty matrix" do
-      Matrix.empty(3,0).upper_triangular?.should be_true
-      Matrix.empty(0,3).upper_triangular?.should be_true
-      Matrix.empty(0,0).upper_triangular?.should be_true
-    end
+  it "returns true for an empty matrix" do
+    Matrix.empty(3,0).upper_triangular?.should be_true
+    Matrix.empty(0,3).upper_triangular?.should be_true
+    Matrix.empty(0,0).upper_triangular?.should be_true
   end
 end