alpha.png not found

[andihow]

When trying to build with "make test" i get the following:

./tests/hicolor.test

==== data-integrity-2.1 alpha roundtrip FAILED
==== Contents of test case:

    hicolor quant alpha.png alpha-q.png
    exec gm compare -metric rmse alpha.png alpha-q.png

---- Test generated error; Return code was: 1
---- Return code should have been one of: 0 2
---- errorInfo: source image "alpha.png" doesn't exist
    while executing
"exec {*}$::hicolorCommand {*}$args"
    (procedure "hicolor" line 2)
    invoked from within
"hicolor quant alpha.png alpha-q.png"
    ("uplevel" body line 2)
    invoked from within
"uplevel 1 $script"
---- errorCode: CHILDSTATUS 2909 1
==== data-integrity-2.1 FAILED

hicolor.test:   Total   24      Passed  23      Skipped 0       Failed  1
make: *** [Makefile:26: test] Error 1

[dbohdan]

Thanks!