tests: Remove unnecessary global_qtest references

We are going to remove global_qtest from the main libqtest library
soon, so tests that do not urgently need global_qtest anymore
should be cleaned from the unnecessary references.

Message-Id: <20190904130047.25808-5-thuth@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

tests/ahci-test.c

@@ -200,7 +200,6 @@ static void ahci_shutdown(AHCIQState *ahci)
 {
     QOSState *qs = ahci->parent;
 
-    assert(!global_qtest);
     ahci_clean_mem(ahci);
     free_ahci_device(ahci->dev);
     g_free(ahci);

tests/bios-tables-test.c

@@ -626,7 +626,6 @@ static void test_acpi_one(const char *params, test_data *data)
         test_smbios_structs(data);
     }
 
-    assert(!global_qtest);
     qtest_quit(data->qts);
     g_free(args);
 }

tests/ivshmem-test.c

@@ -100,7 +100,6 @@ static inline void write_mem(IVState *s, uint64_t off,
 
 static void cleanup_vm(IVState *s)
 {
-    assert(!global_qtest);
     g_free(s->dev);
     qtest_shutdown(s->qs);
 }
@@ -388,7 +387,6 @@ static void test_ivshmem_hotplug(void)
 
     qts = qtest_init("-object memory-backend-ram,size=1M,id=mb1");
 
-    global_qtest = qts;  /* TODO: Get rid of global_qtest here */
     qtest_qmp_device_add(qts, "ivshmem-plain", "iv1",
                          "{'addr': %s, 'memdev': 'mb1'}",
                          stringify(PCI_SLOT_HP));
@@ -397,7 +395,6 @@ static void test_ivshmem_hotplug(void)
     }
 
     qtest_quit(qts);
-    global_qtest = NULL;
 }
 
 static void test_ivshmem_memdev(void)

tests/rtas-test.c

@@ -14,7 +14,6 @@ static void test_rtas_get_time_of_day(void)
     time_t t1, t2;
 
     qs = qtest_spapr_boot("-machine pseries");
-    global_qtest = qs->qts;
 
     t1 = time(NULL);
     ret = qrtas_get_time_of_day(qs->qts, &qs->alloc, &tm, &ns);