controller: Update unit tests to use new testutil

The testutil API chnaged with this PR:
https://github.com/apache/mynewt-core/pull/1678

This commit changes the controller unit tests to use the updated
testutil API.

nimble/controller/test/src/ble_ll_csa2_test.c

@@ -22,8 +22,9 @@
 #include "testutil/testutil.h"
 #include "controller/ble_ll_test.h"
 #include "controller/ble_ll_conn.h"
+#include "ble_ll_csa2_test.h"
 
-TEST_CASE(ble_ll_csa2_test_1)
+TEST_CASE_SELF(ble_ll_csa2_test_1)
 {
     struct ble_ll_conn_sm conn;
     uint8_t rc;
@@ -65,7 +66,7 @@ TEST_CASE(ble_ll_csa2_test_1)
     TEST_ASSERT(rc == 21);
 }
 
-TEST_CASE(ble_ll_csa2_test_2)
+TEST_CASE_SELF(ble_ll_csa2_test_2)
 {
     struct ble_ll_conn_sm conn;
     uint8_t rc;
@@ -112,12 +113,3 @@ TEST_SUITE(ble_ll_csa2_test_suite)
     ble_ll_csa2_test_1();
     ble_ll_csa2_test_2();
 }
-
-int
-ble_ll_csa2_test_all(void)
-{
-    ble_ll_csa2_test_1();
-    ble_ll_csa2_test_2();
-
-    return tu_any_failed;
-}

nimble/controller/test/src/ble_ll_csa2_test.h

@@ -0,0 +1,27 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
+#ifndef H_BLE_LL_CSA2_TEST_
+#define H_BLE_LL_CSA2_TEST_
+
+#include "testutil/testutil.h"
+
+TEST_SUITE_DECL(ble_ll_csa2_test_suite);
+
+#endif

nimble/controller/test/src/ble_ll_test.c

@@ -22,16 +22,14 @@
 #include "controller/ble_ll_test.h"
 #include "os/os.h"
 #include "testutil/testutil.h"
+#include "ble_ll_csa2_test.h"
 
 #if MYNEWT_VAL(SELFTEST)
 
 int
 main(int argc, char **argv)
 {
-    sysinit();
-
-    ble_ll_csa2_test_all();
-
+    ble_ll_csa2_test_suite();
     return tu_any_failed;
 }