Disable flaky linux ruby FFI tests.

A previous change accidentally disabled the gem install tests instead, which weren't flaky.

PiperOrigin-RevId: 555615548

.github/workflows/test_ruby.yml

@@ -20,11 +20,13 @@ jobs:
           # Test both FFI and Native implementations on the highest and lowest
           # Ruby versions for CRuby and JRuby, but only on Bazel 5.x.
           - { name: Ruby 2.7, ruby: ruby-2.7.0, ffi: NATIVE }
-          - { name: Ruby 2.7, ruby: ruby-2.7.0, ffi: FFI }
+          # TODO(b/294608485) Re-enable these once flakes are fixed
+          #- { name: Ruby 2.7, ruby: ruby-2.7.0, ffi: FFI }
           - { name: Ruby 3.0, ruby: ruby-3.0.2 }
           - { name: Ruby 3.1, ruby: ruby-3.1.0 }
           - { name: Ruby 3.2, ruby: ruby-3.2.0, ffi: NATIVE }
-          - { name: Ruby 3.2, ruby: ruby-3.2.0, ffi: FFI }
+          # TODO(b/294608485) Re-enable these once flakes are fixed
+          #- { name: Ruby 3.2, ruby: ruby-3.2.0, ffi: FFI }
           - { name: JRuby 9.4, ruby: jruby-9.4.3.0, ffi: NATIVE }
           - { name: JRuby 9.4, ruby: jruby-9.4.3.0, ffi: FFI }
 
@@ -123,13 +125,11 @@ jobs:
           # Test both FFI and Native implementations on the highest and lowest
           # Ruby versions for CRuby and JRuby, but only on Bazel 5.x.
           - { name: Ruby 2.7, ruby: ruby-2.7.0, ffi: NATIVE }
-          # TODO(b/294608485) Re-enable these once flakes are fixed
-          #- { name: Ruby 2.7, ruby: ruby-2.7.0, ffi: FFI }
+          - { name: Ruby 2.7, ruby: ruby-2.7.0, ffi: FFI }
           - { name: Ruby 3.0, ruby: ruby-3.0.2}
           - { name: Ruby 3.1, ruby: ruby-3.1.0}
           - { name: Ruby 3.2, ruby: ruby-3.2.0, ffi: NATIVE }
-          # TODO(b/294608485) Re-enable these once flakes are fixed
-          #- { name: Ruby 3.2, ruby: ruby-3.2.0, ffi: FFI }
+          - { name: Ruby 3.2, ruby: ruby-3.2.0, ffi: FFI }
           - { name: JRuby 9.4, ruby: jruby-9.4.3.0, ffi: NATIVE }
           - { name: JRuby 9.4, ruby: jruby-9.4.3.0, ffi: FFI }
     name: Install ${{ matrix.name }}${{ matrix.ffi == 'FFI' && ' FFI' || '' }}