add unit tests to test action and separate unit_tests.sh from test_all.sh

test_all.sh

@@ -20,27 +20,4 @@ else
 fi
 cd ..
 
-errors=()
-
-echo '=== Testing anglais ==='
-
-# read files
-for file in $(find tests -type f); do
-  echo "-v- Test-running file $file -v-"
-
-  if ! ./cli/cli run "$file"; then
-    echo "-x- Error -x-"
-    errors+=("$file")
-  else
-    echo "-+- Success -+-"
-  fi
-done
-
-
-if [ 0 -ne "$(wc -w <<< "${errors[@]}")" ]; then
-  echo "=x= Errors occured while executing =x="
-  echo "erroring files: $(printf '%s ' "${errors[@]}")"
-  exit 1
-else
-  echo '=+= Successfully ran all tests =+='
-fi
+bash ./unit_tests.sh