add test for resume available method

test/boot_arch_test.rb

@@ -10,6 +10,7 @@ def stub_arch(arch)
 
     allow(Yast::Arch).to receive(:architecture).and_return(arch)
   end
+
   describe ".VgaAvailable" do
     it "returns true if it is on x86_64 architecture" do
       stub_arch("x86_64")
@@ -29,4 +30,30 @@ def stub_arch(arch)
       expect(subject.VgaAvailable).to eq false
     end
   end
+
+  describe ".ResumeAvailable" do
+    it "returns true if it is on x86_64 architecture" do
+      stub_arch("x86_64")
+
+      expect(subject.ResumeAvailable).to eq true
+    end
+
+    it "returns true if it is on i386 architecture" do
+      stub_arch("i386")
+
+      expect(subject.ResumeAvailable).to eq true
+    end
+
+    it "returns true if it is on s390 architecture" do
+      stub_arch("s390_64")
+
+      expect(subject.ResumeAvailable).to eq true
+    end
+
+    it "otherwise it returns false" do
+      stub_arch("ppc64")
+
+      expect(subject.ResumeAvailable).to eq false
+    end
+  end
 end