Make tests internal

Author: CommanderTvis

src/commonTest/kotlin/OrTest.kt

@@ -26,4 +26,4 @@ class OrTest : Grammar<Nothing>() {
         assertTrue(result.errors[0] is MismatchedToken)
         assertTrue(result.errors[1] is UnexpectedEof)
     }
-}
+}

src/commonTest/kotlin/RepeatTest.kt

@@ -5,7 +5,7 @@ import com.github.h0tk3y.betterParse.lexer.*
 import com.github.h0tk3y.betterParse.parser.*
 import kotlin.test.*
 
-class RepeatTest : Grammar<Nothing>() {
+internal class RepeatTest : Grammar<Nothing>() {
     override val rootParser: Parser<Nothing> get() = throw NoSuchElementException()
 
     val a by regexToken("a")

src/commonTest/kotlin/TestLiftToAst.kt

@@ -78,7 +78,7 @@ private fun SyntaxTree<*>.toTopDownStrings() = topDownNodesSequence()
             it.item?.typeName()
     }.toList()
 
-class TestLiftToAst {
+internal class TestLiftToAst {
     @Test
     fun continuousRange() {
         val astParser = booleanGrammar.liftToSyntaxTreeGrammar(LiftToSyntaxTreeOptions(retainSkipped = true), structureParsers = null)
@@ -218,4 +218,4 @@ class TestLiftToAst {
 
         assertTrue(value.children.size == 2 && value.children.all { it.parser === booleanGrammar.or })
     }
-} 
+}