fix: Added @ignore to the tests

exercises/practice/armstrong-numbers/src/test/kotlin/ArmstrongNumberTest.kt

@@ -1,35 +1,42 @@
 import kotlin.test.Test
-import kotlin.test.assertEquals
-import kotlin.test.assertFailsWith
 import kotlin.test.assertTrue
 import kotlin.test.assertFalse
+import kotlin.test.Ignore
 
 class ArmstrongNumberTest {
 
     @Test
     fun `zero is an armstrong number`() = assertTrue(ArmstrongNumber.check(0))
 
+    @Ignore
     @Test
     fun `single digit numbers are armstrong numbers`() = assertTrue(ArmstrongNumber.check(5))
 
+    @Ignore
     @Test
     fun `there are no 2 digit armstrong numbers`() = assertFalse(ArmstrongNumber.check(10))
 
+    @Ignore
     @Test
     fun `three digit number that is an armstrong number`() = assertTrue(ArmstrongNumber.check(153))
 
+    @Ignore
     @Test
     fun `three digit number that is not an armstrong number`() = assertFalse(ArmstrongNumber.check(100))
 
+    @Ignore
     @Test
     fun `four digit number that is an armstrong number`() = assertTrue(ArmstrongNumber.check(9474))
 
+    @Ignore
     @Test
     fun `four digit number that is not an armstrong number`() = assertFalse(ArmstrongNumber.check(9475))
 
+    @Ignore
     @Test
     fun `seven digit number that is an armstrong number`() = assertTrue(ArmstrongNumber.check(9926315))
 
+    @Ignore
     @Test
     fun `seven digit number that is not an armstrong number`() = assertFalse(ArmstrongNumber.check(9926314))
 }