tests: specify registry for remaining containers without it

Author: mr-c

tests/docker-run-cmd.cwl

@@ -2,7 +2,7 @@ class: CommandLineTool
 cwlVersion: v1.2
 requirements:
   DockerRequirement:
-    dockerPull: bash:4.4.12
+    dockerPull: docker.io/bash:4.4
 inputs: []
 outputs:
   cow:

tests/symlink-illegal.cwl

@@ -4,7 +4,7 @@ cwlVersion: v1.2
 doc: "Create a file under /tmp, symlink it to working directory and glob symlink. The executor should NOT resolve this symlink"
 hints:
   DockerRequirement:
-    dockerPull: alpine
+    dockerPull: docker.io/alpine:latest
 inputs: []
 outputs:
   output_file:
@@ -22,4 +22,4 @@ arguments:
   - ln
   - -s
   - /tmp/original.txt
-  - symlink.txt
+  - symlink.txt

tests/symlink-legal.cwl

@@ -4,7 +4,7 @@ cwlVersion: v1.2
 doc: "Create a file under adir/, symlink it to working directory (./) and glob symlink. The executor should resolve this symlink"
 hints:
   DockerRequirement:
-    dockerPull: alpine
+    dockerPull: docker.io/alpine:latest
 inputs: []
 outputs:
   output_file:
@@ -25,4 +25,4 @@ arguments:
   - ln
   - -s
   - adir/original.txt
-  - symlink.txt
+  - symlink.txt

tests/writable-dir-docker.cwl

@@ -12,7 +12,7 @@ requirements:
 
 hints:
   - class: DockerRequirement
-    dockerPull: alpine
+    dockerPull: docker.io/alpine:latest
 
 inputs: []
 outputs: