Add basic testcases for AutoShift plugin

Signed-off-by: Michael Richters <gedankenexperimenter@gmail.com>

tests/plugins/AutoShift/basic/basic.ino

@@ -0,0 +1,50 @@
+/* -*- mode: c++ -*-
+ * Copyright (C) 2021  Keyboard.io, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <Kaleidoscope.h>
+#include <Kaleidoscope-AutoShift.h>
+
+// *INDENT-OFF*
+KEYMAPS(
+    [0] = KEYMAP_STACKED
+    (
+        Key_LeftShift, Key_RightShift, ___, ___, ___, ___, ___,
+        Key_A, Key_B, ___, ___, ___, ___, ___,
+        ___, ___, ___, ___, ___, ___,
+        ___, ___, ___, ___, ___, ___, ___,
+        ___, ___, ___, ___,
+        ___,
+
+        ___, ___, ___, ___, ___, ___, ___,
+        ___, ___, ___, ___, ___, ___, ___,
+        ___, ___, ___, ___, ___, ___,
+        ___, ___, ___, ___, ___, ___, ___,
+        ___, ___, ___, ___,
+        ___
+    ),
+)
+// *INDENT-ON*
+
+KALEIDOSCOPE_INIT_PLUGINS(AutoShift);
+
+void setup() {
+  Kaleidoscope.setup();
+  AutoShift.setTimeout(20);
+}
+
+void loop() {
+  Kaleidoscope.loop();
+}

tests/plugins/AutoShift/basic/sketch.json

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+{
+  "cpu": {
+    "fqbn": "keyboardio:virtual:model01",
+    "port": ""
+  }
+}

tests/plugins/AutoShift/basic/test.ktest

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+VERSION 1
+
+KEYSWITCH LSHIFT    0 0
+KEYSWITCH RSHIFT    0 1
+KEYSWITCH A         1 0
+KEYSWITCH B         1 1
+
+# ==============================================================================
+NAME AutoShift tap
+
+RUN 4 ms
+PRESS A
+RUN 1 cycle
+
+RUN 4 ms
+RELEASE A
+RUN 1 cycle
+EXPECT keyboard-report Key_A # report: { 4 }
+EXPECT keyboard-report empty
+
+RUN 5 ms
+
+# ==============================================================================
+NAME AutoShift long press
+
+RUN 4 ms
+PRESS A
+RUN 1 cycle
+
+# Timeout is 20ms
+RUN 20 ms
+EXPECT keyboard-report Key_LeftShift # report: { e1 }
+EXPECT keyboard-report Key_LeftShift Key_A # report: { 4 e1 }
+
+RUN 4 ms
+RELEASE A
+RUN 1 cycle
+EXPECT keyboard-report Key_LeftShift # report: { e1 }
+EXPECT keyboard-report empty
+
+RUN 5 ms