Import Mbed OS hard-float snapshot

TEST_APPS/testcases/example/README.md

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+##Example tests
+
+This folder contains example tests for Icetea
+The test located under this folder is dependent of the application [`exampleapp`](https://github.com/ARMmbed/mbed-os/blob/master/TEST_APPS/device/exampleapp)
+The exampleapp is disabled by default, to be able to run the test_cmdline with the exampleapp, either remove the preprocessor macro from exampleapp.cpp or add `-DICETEA_EXAMPLE_ENABLED` to the mbed test command
+
+## Test cases
+
+### `test_cmdline`
+
+**Description:**
+Send command line commands to target over serial interface.
+This test introduces the Icetea test case structure to the user.
+
+**Test steps:**
+Send "echo hello world" to the target.
+Target sends "hello world" back to the host machine.
+Send help to the target.
+Target prints out the command line commands the application supports.
+
+**Expected result:**
+The test exits without timeouts.

TEST_APPS/testcases/example/__init__.py

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+"""
+Copyright (c) 2020 Arm Limited
+SPDX-License-Identifier: Apache-2.0
+
+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.
+"""

TEST_APPS/testcases/example/test_cmdline.py

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+"""
+Copyright 2018 ARM Limited
+SPDX-License-Identifier: Apache-2.0
+
+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.
+"""
+
+from icetea_lib.bench import Bench
+
+
+class Testcase(Bench):
+    def __init__(self):
+        Bench.__init__(self,
+                       name="test_cmdline",
+                       title="Smoke test for command line interface",
+                       status="released",
+                       purpose="Verify Command Line Interface",
+                       component=["cmdline"],
+                       type="smoke",
+                       requirements={
+                           "duts": {
+                               '*': {
+                                   "count": 1,
+                                   "type": "hardware",
+                                   "application": {
+                                       "name": "TEST_APPS-device-exampleapp"
+                                   }
+                               },
+                               "1": {"nick": "dut1"},
+                           }
+                       }
+                       )
+
+    def setup(self):
+        pass
+
+    def case(self):
+        self.command("dut1", "echo hello world")
+        self.command("dut1", "help")
+
+    def teardown(self):
+        pass