Fix use of bundled kubectl (#241)

Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com>

spec/src/main/kubectl_spec.ts

@@ -0,0 +1,17 @@
+jest.mock("electron")
+jest.mock("../../../src/common/user-store")
+
+import { Kubectl, bundledKubectl } from "../../../src/main/kubectl"
+
+describe("kubectlVersion", () => {
+
+  it("returns bundled version if exactly same version used", async () => {
+    const kubectl = new Kubectl(bundledKubectl.kubectlVersion)
+    expect(kubectl.kubectlVersion).toBe(bundledKubectl.kubectlVersion)
+  })
+
+  it("returns bundled version if same major.minor version is used", async () => {
+    const kubectl = new Kubectl("1.17.0")
+    expect(kubectl.kubectlVersion).toBe(bundledKubectl.kubectlVersion)
+  })
+})