Small enhancements of unit tests implementation style and fix of the tests' modules naming style.

- introducing TEST_RANDOMIZE macro for randomization of source data used in unit tests;
 - replacing assert with JERRY_ASSERT;
 - renaming test_* to test-*.

JerryScript-DCO-1.0-Signed-off-by: Ruben Ayrapetyan r.ayrapetyan@samsung.com

Makefile

@@ -207,7 +207,7 @@ unittests: $(BUILD_DIR)/native
           (echo "cppcheck run failed. See $(OUT_DIR)/$@/cppcheck.log for details."; exit 1;)
 	@ $(MAKE) -C $(BUILD_DIR)/native VERBOSE=1 $@ &>$(OUT_DIR)/$@/make.log || \
           (echo "Build failed. See $(OUT_DIR)/$@/make.log for details."; exit 1;)
-	@ cp $(BUILD_DIR)/native/unit_test_* $(OUT_DIR)/$@
+	@ cp $(BUILD_DIR)/native/unit-test-* $(OUT_DIR)/$@
 
 $(BUILD_ALL)_native: $(BUILD_DIRS_NATIVE)
 	@ mkdir -p $(OUT_DIR)/$@