enable java sample bazel tests

ortools/sat/samples/code_samples.bzl

@@ -92,4 +92,15 @@ def code_sample_java(name):
             "//ortools/sat:sat_parameters_java_proto",
             "//ortools/util/java:sorted_interval_list",
         ],
-    )   
+    )
+
+
+    native.sh_test(
+        name = name + "_java_test",
+        size = "small",
+        srcs = ["code_samples_java_test.sh"],
+        args = [name],
+        data = [
+            ":" + name + "_java",
+        ],
+    )      

ortools/sat/samples/code_samples_java_test.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+# Copyright 2010-2022 Google LLC
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+declare -r DIR="${TEST_SRCDIR}/com_google_ortools/ortools/sat/samples"
+
+function test::ortools::code_samples_sat_java() {
+    "${DIR}/$1_java"
+}
+
+test::ortools::code_samples_sat_java $1