change method name to be multiplatform friendly

Author: oshai

kotlin-logging-common/src/test/kotlin/mu/internal/MessageInvokerTest.kt

@@ -7,7 +7,7 @@ import kotlin.test.assertEquals
 class MessageInvokerTest {
 
     @Test
-    fun `toStringSafe checks`() {
+    fun toStringSafeChecks() {
         assertEquals(Unit.toString(), {}.toStringSafe())
         assertEquals("null", { null }.toStringSafe())
         assertEquals("hi", { "hi" }.toStringSafe())