Increase the code coverage for traverse evaluation (babel#5363)

* When applied this commit will increase the code coverage for evaluation.js

* Fixing linting issues

packages/babel-traverse/test/evaluation.js

@@ -61,6 +61,27 @@ describe("evaluation", function () {
     );
   });
 
+  it("should evaluate template literals", function () {
+    assert.strictEqual(
+      getPath("var x = 8; var y = 1; var z = `value is ${x >>> y}`")
+        .get("body.2.declarations.0.init").evaluate().value,
+      "value is 4"
+    );
+  });
+
+  it("should evaluate member expressions", function () {
+    assert.strictEqual(
+      getPath("var x = 'foo'.length")
+        .get("body.0.declarations.0.init").evaluate().value,
+      3
+    );
+    const member_expr = getPath("var x = Math.min(2,Math.max(3,4));var y = Math.random();");
+    const eval_member_expr = member_expr.get("body.0.declarations.0.init").evaluate();
+    const eval_invalid_call = member_expr.get("body.1.declarations.0.init").evaluate();
+    assert.strictEqual(eval_member_expr.value, 2);
+    assert.strictEqual(eval_invalid_call.confident, false);
+  });
+
   it("it should not deopt vars in different scope", function () {
     const input = "var a = 5; function x() { var a = 5; var b = a + 1; } var b = a + 2";
     assert.strictEqual(
@@ -88,6 +109,12 @@ describe("evaluation", function () {
       getPath(constExample).get("body.1.consequent.body.1").evaluate().value,
       false
     );
+    const test_alternate = "var y = (3 < 4)? 3 + 4: 3 + 4;";
+    assert.strictEqual(
+      getPath(test_alternate)
+        .get("body.0.declarations.0.init.alternate").evaluate().value,
+      7
+    );
   });
 
   it("should deopt ids that are referenced before the bindings", function () {