[Tests] Increase QMK test coverage (#13789)

* Add per-test keymaps

* Add better trace and info logs for failed unit-tests

* Add layer state assertion with tracing message

* Use individual test binaries configuration options

* Add basic qmk functionality tests

* Add tap hold configurations tests

* Add auto shift tests

* `qmk format-c

* Fix tests

Co-authored-by: Nick Brassel <nick@tzarc.org>

1 files changed, 18 insertions, 0 deletions

diff --git a/tests/tap_hold_configurations/retro_tapping/test.mk b/tests/tap_hold_configurations/retro_tapping/test.mk
new file mode 100644
index 000000000..efecca2c2
--- /dev/null
+++ b/tests/tap_hold_configurations/retro_tapping/test.mk
@@ -0,0 +1,18 @@
+# Copyright 2021 Stefan Kerkmann
+#
+# 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, either version 2 of the License, or
+# (at your option) any later version.
+#
+# 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/>.
+
+# --------------------------------------------------------------------------------
+# Keep this file, even if it is empty, as a marker that this folder contains tests
+# --------------------------------------------------------------------------------