Skip insanely memory consuming tests

These tests do not only consume hundreds GiB bytes memory, result in
`rb_bug` when `RUBY_DEBUG` is enabled.

2 files changed, 2 insertions, 2 deletions

diff --git a/spec/ruby/core/integer/left_shift_spec.rb b/spec/ruby/core/integer/left_shift_spec.rb
index 6774e1f3e1..9e57631a1c 100644
--- a/spec/ruby/core/integer/left_shift_spec.rb
+++ b/spec/ruby/core/integer/left_shift_spec.rb
@@ -191,7 +191,7 @@ describe "Integer#<< (with n << m)" do
       (0 << bignum_value).should == 0
     end
 
-    ruby_bug "#18518", ""..."3.4" do
+    with_feature(:no_memory_error, :infinite_memory) do
       it "raises NoMemoryError when m > 0 and n != 0" do
         coerce_long = mock("long")
         coerce_long.stub!(:to_int).and_return(2**40)
diff --git a/spec/ruby/core/integer/right_shift_spec.rb b/spec/ruby/core/integer/right_shift_spec.rb
index 3fef09a30a..37246456df 100644
--- a/spec/ruby/core/integer/right_shift_spec.rb
+++ b/spec/ruby/core/integer/right_shift_spec.rb
@@ -213,7 +213,7 @@ describe "Integer#>> (with n >> m)" do
       (0 >> -bignum_value).should == 0
     end
 
-    ruby_bug "#18518", ""..."3.4" do
+    with_feature(:no_memory_error, :infinite_memory) do
       it "raises NoMemoryError when m < 0 and n != 0" do
         coerce_long = mock("long")
         coerce_long.stub!(:to_int).and_return(-(2**40))