eigenexa: convert to new stand-alone test process (#35745)

var/spack/repos/builtin/packages/eigenexa/package.py

@@ -52,8 +52,8 @@ def cache_test_sources(self):
         """Save off benchmark files for stand-alone tests."""
         self.cache_extra_test_sources("benchmark")
 
-    def test(self):
-        """Perform stand-alone/smoke tests using pre-built benchmarks."""
+    def test_benchmarks(self):
+        """run benchmark checks"""
         # NOTE: This package would ideally build the test program using
         #   the installed software *each* time the tests are run since
         #   this package installs a library.
@@ -61,6 +61,7 @@ def test(self):
         test_cache_dir = join_path(self.test_suite.current_test_cache_dir, "benchmark")
         test_data_dir = self.test_suite.current_test_data_dir
 
+        with working_dir(test_data_dir):
             opts = [
                 "run-test.sh",
                 self.spec["mpi"].prefix.bin.mpirun,
@@ -71,10 +72,6 @@ def test(self):
                 join_path(test_cache_dir, "IN"),
             ]
             env["OMP_NUM_THREADS"] = "1"
-        self.run_test(
-            "sh",
-            options=opts,
-            expected="EigenExa Test Passed !",
-            purpose="test: running benchmark checks",
-            work_dir=test_data_dir,
-        )
+            sh = which("sh")
+            out = sh(*opts, output=str.split, error=str.split)
+            assert "EigenExa Test Passed !" in out