TestNetworkError fails w/ Golang 1.14 beta1

[eclipseo]

Fedora Rawhide w/ Golang 1.14 beta1:

--- FAIL: TestNetworkError (0.00s)
    httpstore_test.go:396: 
        	Error Trace:	httpstore_test.go:396
        	Error:      	Not equal: 
        	            	expected: "GET https://auth.docker.io: abc:def:ghi"
        	            	actual  : "GET \"https://auth.docker.io\": abc:def:ghi"
        	            	
        	            	Diff:
        	            	--- Expected
        	            	+++ Actual
        	            	@@ -1 +1 @@
        	            	-GET https://auth.docker.io: abc:def:ghi
        	            	+GET "https://auth.docker.io": abc:def:ghi
        	Test:       	TestNetworkError
FAIL
exit status 1

See golang/go@64cfe9f
and
golang/go#29261

[thaJeztah]

This should be fixed by #1543