fix athandler unit tests and declaration conflict

Author: lorjala

UNITTESTS/features/cellular/framework/AT/athandler/athandlertest.cpp

@@ -618,6 +618,7 @@ TEST_F(TestATHandler, test_ATHandler_read_string)
     // *** Reading more than available in buffer ***
     at.clear_error();
     char table4[] = "\"s,\"OK\r\n\0";
+    mbed_poll_stub::int_value = 0;
     at.flush();
     filehandle_stub_table = table4;
     filehandle_stub_table_pos = 0;
@@ -741,6 +742,7 @@ TEST_F(TestATHandler, test_ATHandler_read_string)
     // *** CRLF part of the string ***
     at.clear_error();
     char table10[] = "\"s\"\r\nOK\r\n\0";
+    mbed_poll_stub::int_value = 0;
     at.flush();
     filehandle_stub_table = table10;
     filehandle_stub_table_pos = 0;

UNITTESTS/target_h/platform/mbed_wait_api.h

@@ -0,0 +1,33 @@
+
+/* mbed Microcontroller Library
+ * Copyright (c) 2018 ARM Limited
+ *
+ * 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.
+ */
+#ifndef MBED_WAIT_API_H
+#define MBED_WAIT_API_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void wait_ms(int ms);
+
+void wait_us(int us);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+