run-test-proxy-with-scheme requires a web proxy server.

--- test/kns/Makefile.orig	2019-08-20 18:27:10 UTC
+++ test/kns/Makefile
@@ -25,7 +25,7 @@
 
 default: runtests
 
-runtests: run-tests run-test-proxy-with-scheme
+runtests:
 
 TOP ?= $(abspath ../..)
 MODULE = test/kns
@@ -45,6 +45,10 @@ TEST_TOOLS = \
 
 include $(TOP)/build/Makefile.env
 
+ifdef MBEDTLS_INCDIR
+	INCDIRS += $(addprefix -I,$(MBEDTLS_INCDIR))
+endif
+
 EXT_TOOLS = \
 	test-proxy \
 	test-proxy-with-env \
@@ -131,6 +135,7 @@ $(TEST_BINDIR)/test-kns: $(KNSTEST_OBJ)
 	$(LP) --exe -o $@ $^ $(KNSTEST_LIB)
 
 kns: test-kns
+	if [ ! -d $(HOME)/.ncbi ]; then mkdir $(HOME)/.ncbi; fi
 	$(TEST_BINDIR)/test-kns  #-l=all
 
 #----------------------------------------------------------------