linter: enable errchkjson

Signed-off-by: Valentin Rothberg <vrothberg@redhat.com>

.golangci.yml

@@ -62,7 +62,6 @@ linters:
     - ireturn
     - tagliatelle
     - varnamelen
-    - errchkjson
     - maintidx
     - nilerr
     - nilnil

test/utils/common_function_test.go

@@ -102,9 +102,10 @@ var _ = Describe("Common functions test", func() {
 			Item2: []string{"test"},
 		}
 
-		testByte, _ := json.Marshal(testData)
-		err := WriteJSONFile(testByte, "/tmp/testJSON")
+		testByte, err := json.Marshal(testData)
+		Expect(err).To(BeNil(), "Failed to marshal data.")
 
+		err = WriteJSONFile(testByte, "/tmp/testJSON")
 		Expect(err).To(BeNil(), "Failed to write JSON to file.")
 
 		read, err := os.Open("/tmp/testJSON")

test/utils/utils.go

@@ -479,7 +479,10 @@ func IsCommandAvailable(command string) bool {
 func WriteJSONFile(data []byte, filePath string) error {
 	var jsonData map[string]interface{}
 	json.Unmarshal(data, &jsonData)
-	formatJSON, _ := json.MarshalIndent(jsonData, "", "	")
+	formatJSON, err := json.MarshalIndent(jsonData, "", "	")
+	if err != nil {
+		return err
+	}
 	return ioutil.WriteFile(filePath, formatJSON, 0644)
 }