Tests for library module

LibraryTests.kt

@RunWith(AndroidJUnit4::class)
class LibraryTests {
    @Test
    fun basicTests() {
        assertEquals(4, LibraryJavaClass().function1())
        assertEquals(4, LibraryKotlinClass().function1())
    }

    @Test
    fun basicTests2() {
        assertEquals(6, LibraryJavaClass().function2())
        assertEquals(6, LibraryKotlinClass().function2())
    }
}