Increase memory limit in test cases

Signed-off-by: Yohei Ueda <yohei@jp.ibm.com>

integration-cli/docker_cli_run_test.go

@@ -44,7 +44,7 @@ func TestRunEchoStdout(t *testing.T) {
 
 // "test" should be printed
 func TestRunEchoStdoutWithMemoryLimit(t *testing.T) {
-	runCmd := exec.Command(dockerBinary, "run", "-m", "4m", "busybox", "echo", "test")
+	runCmd := exec.Command(dockerBinary, "run", "-m", "16m", "busybox", "echo", "test")
 	out, _, _, err := runCommandWithStdoutStderr(runCmd)
 	if err != nil {
 		t.Fatalf("failed to run container: %v, output: %q", err, out)
@@ -81,7 +81,7 @@ func TestRunEchoStdoutWitCPULimit(t *testing.T) {
 
 // "test" should be printed
 func TestRunEchoStdoutWithCPUAndMemoryLimit(t *testing.T) {
-	runCmd := exec.Command(dockerBinary, "run", "-c", "1000", "-m", "4m", "busybox", "echo", "test")
+	runCmd := exec.Command(dockerBinary, "run", "-c", "1000", "-m", "16m", "busybox", "echo", "test")
 	out, _, _, err := runCommandWithStdoutStderr(runCmd)
 	if err != nil {
 		t.Fatalf("failed to run container: %v, output: %q", err, out)