fix variable name

pkg/minikube/proxy/proxy.go

@@ -57,9 +57,9 @@ func isInBlock(ip string, block string) (bool, error) {
 
 // ExcludeIP will exclude the ip from the http(s)_proxy
 func ExcludeIP(ip string) error {
-	if netIp := net.ParseIP(ip); netIp == nil {
+	if netIP := net.ParseIP(ip); netIP == nil {
 		if _, _, err := net.ParseCIDR(ip); err != nil {
-			return fmt.Errorf("ExcludeIP(%v) requires IP as a parameter or CIDR", ip)
+			return fmt.Errorf("ExcludeIP(%v) requires IP or CIDR as a parameter", ip)
 		}
 	}
 	return updateEnv(ip, "NO_PROXY")

pkg/minikube/proxy/proxy_test.go

@@ -36,11 +36,9 @@ func TestIsValidEnv(t *testing.T) {
 	}
 	for _, tc := range testCases {
 		t.Run(tc.env, func(t *testing.T) {
-			got := isValidEnv(tc.env)
-			if got != tc.want {
+			if got := isValidEnv(tc.env); got != tc.want {
 				t.Errorf("isValidEnv(\"%v\") got %v; want %v", tc.env, got, tc.want)
 			}
-
 		})
 	}
 
@@ -140,16 +138,12 @@ func TestCheckEnv(t *testing.T) {
 				}
 			}()
 
-			// defer os.Setenv(tc.envName, originalEnv)
-			err := os.Setenv(tc.envName, tc.mockEnvValue) // setting up the test case
-			if err != nil {
+			if err := os.Setenv(tc.envName, tc.mockEnvValue); err != nil {
 				t.Error("Error setting env var for taste case")
 			}
-			got := checkEnv(tc.ip, tc.envName)
-			if got != tc.want {
+			if got := checkEnv(tc.ip, tc.envName); got != tc.want {
 				t.Errorf("CheckEnv(%v,%v) got  %v ; want is %v", tc.ip, tc.envName, got, tc.want)
 			}
-
 		})
 	}