added test framework (#113)

* added test framework

* added toString on motors

* enabling logs

libs/tests/_locales/tests-jsdoc-strings.json

@@ -0,0 +1,9 @@
+{
+  "tests": "Unit tests framework",
+  "tests.assert": "Checks a boolean condition",
+  "tests.assertClose": "Checks that 2 values are close to each other",
+  "tests.assertClose|param|actual": "what the value was",
+  "tests.assertClose|param|expected": "what the value should be",
+  "tests.assertClose|param|tolerance": "the acceptable error margin",
+  "tests.test": "Registers a test to run"
+}

libs/tests/_locales/tests-strings.json

@@ -0,0 +1,6 @@
+{
+  "tests.assert|block": "assert %message|%condition",
+  "tests.test|block": "test %name",
+  "tests|block": "tests",
+  "{id:category}Tests": "Tests"
+}