ci: fix errcheck in golangci-lint

in latest version of golangci-lint
we need to check all the errors, This
commit fixes the same in test files.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>

Author: Madhu-1

test/e2e/e2e_suite_test.go

@@ -27,6 +27,9 @@ import (
 // Run e2e tests using the Ginkgo runner.
 func TestE2E(t *testing.T) {
 	RegisterFailHandler(Fail)
-	fmt.Fprintf(GinkgoWriter, "Starting ceph-csi-operator suite\n")
+	_, err := fmt.Fprintf(GinkgoWriter, "Starting ceph-csi-operator suite\n")
+	if err != nil {
+		t.Fatalf("Failed to write to GinkgoWriter: %v", err)
+	}
 	RunSpecs(t, "e2e suite")
 }

test/utils/utils.go

@@ -35,7 +35,10 @@ const (
 )
 
 func warnError(err error) {
-	fmt.Fprintf(GinkgoWriter, "warning: %v\n", err)
+	_, fErr := fmt.Fprintf(GinkgoWriter, "warning: %v\n", err)
+	if fErr != nil {
+		panic(fErr)
+	}
 }
 
 // InstallPrometheusOperator installs the prometheus Operator to be used to export the enabled metrics.
@@ -53,12 +56,18 @@ func Run(cmd *exec.Cmd) ([]byte, error) {
 	cmd.Dir = dir
 
 	if err := os.Chdir(cmd.Dir); err != nil {
-		fmt.Fprintf(GinkgoWriter, "chdir dir: %s\n", err)
+		_, fErr := fmt.Fprintf(GinkgoWriter, "chdir dir: %s\n", err)
+		if fErr != nil {
+			panic(fErr)
+		}
 	}
 
 	cmd.Env = append(os.Environ(), "GO111MODULE=on")
 	command := strings.Join(cmd.Args, " ")
-	fmt.Fprintf(GinkgoWriter, "running: %s\n", command)
+	_, err := fmt.Fprintf(GinkgoWriter, "running: %s\n", command)
+	if err != nil {
+		return nil, err
+	}
 	output, err := cmd.CombinedOutput()
 	if err != nil {
 		return output, fmt.Errorf("%s failed with error: (%v) %s", command, err, string(output))