Removed duplicate test with test_BigDecimal_bug7522

test/bigdecimal/test_bigdecimal.rb

@@ -54,11 +54,6 @@ class TestBigDecimal < Test::Unit::TestCase
     assert_equal(111, BigDecimal("1_1_1_"))
     assert_equal(10**(-1), BigDecimal("1E-1"), '#4825')
     assert_equal(1234, BigDecimal(" \t\n\r \r1234 \t\n\r \r"))
-    bd = BigDecimal("1.12", 1)
-    assert_same(bd, BigDecimal(bd))
-    assert_same(bd, BigDecimal(bd, exception: false))
-    assert_not_same(bd, BigDecimal(bd, 1))
-    assert_not_same(bd, BigDecimal(bd, 1, exception: false))
 
     assert_raise(ArgumentError) { BigDecimal("1", -1) }
     assert_raise_with_message(ArgumentError, /"1__1_1"/) { BigDecimal("1__1_1") }