Revert "deactivate malicious tests"

This reverts commit 246609ff5fbe5edb68119b7f3b29a40e7bf23d2d.

Author: franzpoeschel

test/ParallelIOTest.cpp

@@ -40,12 +40,6 @@
     static void openPMD_parallel_##name();                                     \
     TEST_CASE(#name, tags)                                                     \
     {                                                                          \
-        int flag;                                                              \
-        MPI_Initialized(&flag);                                                \
-        if (!flag)                                                             \
-        {                                                                      \
-            throw std::runtime_error("MPI IS NOT INITIALIZED");                \
-        }                                                                      \
         MPI_Barrier(MPI_COMM_WORLD);                                           \
         int rank;                                                              \
         MPI_Comm_rank(MPI_COMM_WORLD, &rank);                                  \
@@ -59,14 +53,6 @@
     }                                                                          \
     static void openPMD_parallel_##name()
 
-#define DEACTIVATE_TEST_CASE(name, tags)                                       \
-    static void openPMD_parallel_##name();                                     \
-    TEST_CASE(#name, tags)                                                     \
-    {                                                                          \
-        return;                                                                \
-    }                                                                          \
-    static void openPMD_parallel_##name()
-
 #if !openPMD_HAVE_MPI
 TEST_CASE("none", "[parallel]")
 {}
@@ -526,7 +512,7 @@ void available_chunks_test(std::string const &file_ending)
     }
 }
 
-DEACTIVATE_TEST_CASE(available_chunks_test, "[parallel][adios]")
+PARALLEL_TEST_CASE(available_chunks_test, "[parallel][adios]")
 {
     available_chunks_test("bp");
 }
@@ -588,7 +574,7 @@ PARALLEL_TEST_CASE(extend_dataset, "[parallel]")
 #endif
 
 #if openPMD_HAVE_ADIOS2 && openPMD_HAVE_MPI
-DEACTIVATE_TEST_CASE(adios_write_test, "[parallel][adios]")
+PARALLEL_TEST_CASE(adios_write_test, "[parallel][adios]")
 {
     Series o = Series(
         "../samples/parallel_write.bp",