Rename unit testing module to "test"

platformio/test/exception.py

@@ -0,0 +1,34 @@
+# Copyright (c) 2014-present PlatformIO <contact@platformio.org>
+#
+# 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 platformio.exception import PlatformioException, UserSideException
+
+
+class UnitTestError(PlatformioException):
+    pass
+
+
+class TestDirNotExistsError(UnitTestError, UserSideException):
+
+    MESSAGE = (
+        "A test folder '{0}' does not exist.\nPlease create 'test' "
+        "directory in the project root and put a test set.\n"
+        "More details about Unit "
+        "Testing: https://docs.platformio.org/page/plus/"
+        "unit-testing.html"
+    )
+
+
+class UnitTestSuiteError(UnitTestError):
+    pass