Add unit tests of strict key exchange extension #465

	# This workflow will build a Java project with Gradle
	# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-gradle

	name: Build SSHJ


	on:
	push:
	pull_request:
	branches: [ master ]

	jobs:
	java12:
	name: Build with Java 11
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Set up Java 11
	uses: actions/setup-java@v3
	with:
	distribution: 'temurin'
	java-version: 11
	- name: Grant execute permission for gradlew
	run: chmod +x gradlew
	- name: Build with Gradle
	run: ./gradlew check
	- name: Codecov
	uses: codecov/codecov-action@v2

	integration:
	name: Integration test
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- run: git fetch --depth=1 origin +refs/tags/:refs/tags/
	- uses: actions/setup-java@v3
	with:
	distribution: 'temurin'
	java-version: 11
	- name: Grant execute permission for gradlew
	run: chmod +x gradlew
	- name: Build with Gradle
	run: ./gradlew integrationTest

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