test(coverage): complex expressions

- ArrayLiteral Element
- UnaryExpression
- CastAs Expression Source
- Assignment Chain
- IndexAccess in Member Chain

Author: Stepami

tests/HydraScript.IntegrationTests/Samples/complex_exprs.js

@@ -0,0 +1,13 @@
+const obj = {
+    arr: [1 + 1, 1 - 1];
+}
+const negSizeStr = -(~obj.arr) as string
+
+>>> negSizeStr
+
+const correctCast = negSizeStr == "-2"
+if (correctCast){
+    let single = [0]
+    let x = single[0] = obj.arr[2 - 2]
+    >>> x
+}