title: KoinAppAlreadyStartedException: A Koin Application has already been started
body: <p>Using koin-2.0.1 for Android testing and unable to test all 3 test together though each test passes separately.</p>
  
  <pre><code>class NumberFormatterUtilImplTest : KoinTest {
  
      private val numberFormatterUtil: NumberFormatterUtilImpl by inject()
  
      @Before
      fun setUp() {
          startKoin { modules(utilsModule) }
      }
  
      @Test
      fun `does formatter returns two digit faction if supplied one digit value`() {
          val result = numberFormatterUtil.getAdjustedCurrencyRate(18.0)
          Assert.assertEquals(result, 18.00, 1.0)
      }
  
      @Test
      fun `does formatter returns two digit faction if supplied multiple digits value`() {
          val result = numberFormatterUtil.getAdjustedCurrencyRate(18.12343)
          Assert.assertEquals(result, 18.12, 1.0)
      }
  
      @Test
      fun `does formatter returns rounded two digit faction if supplied multiple digits value`() {
          val result = numberFormatterUtil.getAdjustedCurrencyRate(18.12876)
          Assert.assertEquals(result, 18.13, 1.0)
      }
  }
  </code></pre>
  
  <p>running class level testing resulting below:</p>
  
  <pre><code>org.koin.core.error.KoinAppAlreadyStartedException: A Koin Application has already been started
  </code></pre>
  
  <p>any input would be helpful, thanks.</p>