stdlib tests: move JVM-only test source files

libraries/stdlib/jvm/test/utils/AssertionsJVMTest.kt

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
+ */
+
+@file:JvmVersion
+package test.utils
+
+import kotlin.test.*
+
+class AssertionsJVMTest() {
+
+    @Test fun passingAssert() {
+        assert(true)
+        var called = false
+        assert(true) { called = true; "some message" }
+
+        assertFalse(called)
+    }
+
+
+    @Test fun failingAssert() {
+        val error = assertFailsWith<AssertionError> {
+            assert(false)
+        }
+        assertEquals("Assertion failed", error.message)
+    }
+
+
+    @Test fun failingAssertWithMessage() {
+        val error = assertFailsWith<AssertionError> {
+            assert(false) { "Hello" }
+        }
+        assertEquals("Hello", error.message)
+    }
+
+}