diff --git a/.travis.yml b/.travis.yml
index 194e22521dd..b77532ad6e3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,16 +12,11 @@ node_js:
 cache:
 - node_modules
 before_install:
-- export START_TIME=$( date +%s )
 - npm i -g yarn
 install:
-- yarn add mrgit --ignore-workspace-root-check
-- mrgit sync --resolver-url-template="https://github.com/\${ path }.git"
-- git checkout package.json yarn.lock
-- rm -rf node_modules
 - yarn install
 script:
-- yarn run test --reporter=dots --production
+- ./scripts/codecov-run-tests.sh
 - yarn run docs:api --validate-only
 - 'if [ $TRAVIS_TEST_RESULT -eq 0 ]; then
     travis_wait 30 yarn run docs:build-and-publish-nightly;
diff --git a/scripts/continuous-integration-run-tests.sh b/scripts/continuous-integration-run-tests.sh
new file mode 100755
index 00000000000..b9c2dc245e9
--- /dev/null
+++ b/scripts/continuous-integration-run-tests.sh
@@ -0,0 +1,95 @@
+#!/bin/bash
+
+# @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
+# For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
+
+packages=$(ls packages -1 | sed -e 's#^ckeditor5\?-\(.\+\)$#\1#')
+
+errorOccured=0
+
+failedTestsPackages=""
+failedCoveragePackages=""
+
+RED='\033[0;31m'
+NC='\033[0m'
+
+# Travis functions inspired by https://github.com/travis-ci/travis-rubies/blob/a10ba31e3f508650204017332a608ef9bce2c733/build.sh.
+function travis_nanoseconds() {
+  local cmd="date"
+  local format="+%s%N"
+  local os=$(uname)
+
+  if hash gdate > /dev/null 2>&1; then
+    cmd="gdate" # use gdate if available
+  elif [[ "$os" = Darwin ]]; then
+    format="+%s000000000" # fallback to second precision on darwin (does not support %N)
+  fi
+
+  $cmd -u $format
+}
+
+travis_time_start() {
+  travis_timer_id=$(printf %08x $(( RANDOM * RANDOM )))
+  travis_start_time=$(travis_nanoseconds)
+  echo -en "travis_time:start:$travis_timer_id\r${ANSI_CLEAR}"
+}
+
+travis_time_finish() {
+  local result=$?
+  travis_end_time=$(travis_nanoseconds)
+  local duration=$(($travis_end_time-$travis_start_time))
+  echo -en "\ntravis_time:end:$travis_timer_id:start=$travis_start_time,finish=$travis_end_time,duration=$duration\r${ANSI_CLEAR}"
+  return $result
+}
+
+
+fold_start() {
+  echo -e "travis_fold:start:$1\033[33;1m$2\033[0m"
+  travis_time_start
+}
+
+fold_end() {
+  travis_time_finish
+  echo -e "\ntravis_fold:end:$1\n"
+
+}
+
+for package in $packages; do
+
+  fold_start "pkg-$package" "Testing $package${NC}"
+
+  yarn run test -f $package --reporter=dots --production --coverage
+
+  if [ "$?" -ne "0" ]; then
+    echo
+
+    echo -e "💥 ${RED}$package${NC} failed to pass unit tests 💥"
+    failedTestsPackages="$failedTestsPackages $package"
+    errorOccured=1
+  fi
+
+  if [ "$?" -ne "0" ]; then
+    echo -e "💥 ${RED}$package${NC} doesn't have required code coverage 💥"
+    failedCoveragePackages="$failedCoveragePackages $package"
+    errorOccured=1
+  fi
+
+  fold_end "pkg-$package"
+done;
+
+if [ "$errorOccured" -eq "1" ]; then
+  echo
+  echo "---"
+  echo
+
+  if ! [[ -z $failedTestsPackages ]]; then
+    echo -e "Following packages did not pass unit tests:${RED}$failedTestsPackages${NC}"
+  fi
+
+  if ! [[ -z $failedCoveragePackages ]]; then
+    echo -e "Following packages did not provide required code coverage:${RED}$failedCoveragePackages${NC}"
+  fi
+
+  echo
+  exit 1 # Will break the CI build
+fi