Add parsed-only evaluation coverage to Proto Extensions

PiperOrigin-RevId: 899266856

Author: l46kok

extensions/src/test/java/dev/cel/extensions/BUILD.bazel

@@ -40,6 +40,7 @@ java_library(
         "//runtime:lite_runtime_factory",
         "//runtime:partial_vars",
         "//runtime:unknown_attributes",
+        "//testing:cel_runtime_flavor",
         "@cel_spec//proto/cel/expr/conformance/proto2:test_all_types_java_proto",
         "@cel_spec//proto/cel/expr/conformance/proto3:test_all_types_java_proto",
         "@cel_spec//proto/cel/expr/conformance/test:simple_java_proto",