Sort tests.

test/libsolidity/semanticTests/constructor/constructor_arguments_external.sol

@@ -0,0 +1,22 @@
+contract Main {
+    bytes3 name;
+    bool flag;
+
+    constructor(bytes3 x, bool f) public {
+        name = x;
+        flag = f;
+    }
+
+    function getName() public returns (bytes3 ret) {
+        return name;
+    }
+
+    function getFlag() public returns (bool ret) {
+        return flag;
+    }
+}
+
+// ----
+// constructor(): "abc", true
+// getFlag() -> true
+// getName() -> "abc"