Fix broken build after 0542df5

Author: sandwwraith

docs/formats.md

@@ -17,6 +17,7 @@ stable, these are currently experimental features of Kotlin Serialization.
   * [Field numbers](#field-numbers)
   * [Integer types](#integer-types)
   * [Lists as repeated fields](#lists-as-repeated-fields)
+  * [Packed fields](#packed-fields)
 * [Properties (experimental)](#properties-experimental)
 * [Custom formats (experimental)](#custom-formats-experimental)
   * [Basic encoder](#basic-encoder)

docs/serialization-guide.md

@@ -140,6 +140,7 @@ Once the project is set up, we can start serializing some classes.
   * <a name='field-numbers'></a>[Field numbers](formats.md#field-numbers)
   * <a name='integer-types'></a>[Integer types](formats.md#integer-types)
   * <a name='lists-as-repeated-fields'></a>[Lists as repeated fields](formats.md#lists-as-repeated-fields)
+  * <a name='packed-fields'></a>[Packed fields](formats.md#packed-fields)
 * <a name='properties-experimental'></a>[Properties (experimental)](formats.md#properties-experimental)
 * <a name='custom-formats-experimental'></a>[Custom formats (experimental)](formats.md#custom-formats-experimental)
   * <a name='basic-encoder'></a>[Basic encoder](formats.md#basic-encoder)

formats/protobuf/commonTest/src/kotlinx/serialization/protobuf/schema/SchemaValidationsTest.kt

@@ -39,13 +39,6 @@ class SchemaValidationsTest {
         SECOND
     }
 
-    @Serializable
-    class NonListPackedField(@ProtoPacked val i: Int)
-
-    @Serializable
-    class ListOfNonNumberPackedField(@ProtoPacked val s: List<String>)
-
-
     @Test
     fun testInvalidEnumElementSerialName() {
         val descriptors = listOf(InvalidEnumElementName.serializer().descriptor)
@@ -82,20 +75,6 @@ class SchemaValidationsTest {
         assertFailsWith(IllegalArgumentException::class) { ProtoBufSchemaGenerator.generateSchemaText(descriptors) }
     }
 
-    @Test
-    fun testNonListPackedField() {
-        val descriptor = NonListPackedField.serializer().descriptor
-        val e = assertFailsWith(IllegalArgumentException::class) { ProtoBufSchemaGenerator.generateSchemaText(descriptor) }
-        assertContains(e.message ?: "", "only valid on repeated fields (lists)")
-    }
-
-    @Test
-    fun testNonNumberPackedField() {
-        val descriptor = ListOfNonNumberPackedField.serializer().descriptor
-        val e = assertFailsWith(IllegalArgumentException::class) { ProtoBufSchemaGenerator.generateSchemaText(descriptor) }
-        assertContains(e.message ?: "", "packed can only be applied to primitive numeric types")
-    }
-
     @Test
     fun testInvalidOptionName() {
         val descriptors = listOf(ValidClass.serializer().descriptor)