Always set IPFS_PATH in test-lib.sh

Before it was only set when "test_init_ipfs" is called but that is
not always used, for example in t0025-datastores.sh.

License: MIT
Signed-off-by: Kevin Atkinson <k@kevina.org>

test/sharness/lib/test-lib.sh

@@ -40,6 +40,10 @@ SHARNESS_LIB="lib/sharness/sharness.sh"
 
 # Please put go-ipfs specific shell functions below
 
+# Make sure the ipfs path is set, also set in test_init_ipfs but that
+# is not always used.
+export IPFS_PATH="$(pwd)/.ipfs"
+
 TEST_OS="$(uname -s | tr '[a-z]' '[A-Z]')"
 
 # grab + output options