Skip failing on TruffleRuby specs

spec/language/pattern_matching_spec.rb

@@ -512,6 +512,8 @@
       end
 
       it "does not support variable binding" do
+        next skip if RUBY_ENGINE == "truffleruby"
+
         -> {
           eval <<~RUBY
             case [0, 1]
@@ -642,6 +644,7 @@ def obj.deconstruct; [0, 1] end
         it "calls #deconstruct once for multiple patterns, caching the result" do
           # 2.7 doesn't cache
           next skip if RUBY_VERSION =~ /^2\.7\./
+          next skip if RUBY_ENGINE == "truffleruby"
 
           obj = Object.new
 
@@ -722,6 +725,8 @@ def obj.deconstruct; "" end
       end
 
       it "accepts a subclass of Array from #deconstruct" do
+        next skip if RUBY_ENGINE == "truffleruby"
+
         obj = Object.new
         def obj.deconstruct
           subarray = Class.new(Array).new(2)

spec/language/ruby_pattern_matching_spec.rb

@@ -202,11 +202,13 @@ def test_alternative_pattern
       end
     end
 
+    unless RUBY_ENGINE == "truffleruby"
     assert_syntax_error(%q{
       case 0
       in a | 0
       end
     }, /illegal variable in alternative pattern/)
+    end
   end
 
   def test_var_pattern
@@ -1281,7 +1283,7 @@ def test_deconstruct_keys
     end
 
     # https://github.com/jruby/jruby/issues/7854
-    unless defined?(JRUBY_VERSION)
+    unless defined?(JRUBY_VERSION) || RUBY_ENGINE == "truffleruby"
     assert_block do
       case {}
       in {}
@@ -1558,13 +1560,15 @@ def deconstruct
   unless RUBY_VERSION =~ /^2\.7\./
 
   def test_deconstruct_cache
+    unless RUBY_ENGINE == "truffleruby"
     assert_block do
       case CDeconstructCache.new([[0]])
       in [1]
       in [0]
         true
       end
     end
+    end
 
     assert_block do
       case CDeconstructCache.new([[0, 1]])