feat: Add Constraint schema validation testing (open-policy-agent#2092)

* feat: Add Constraint schema validation testing

Add feature to "gator verify" which allows testing the schema of
Constraints.

Fixes: open-policy-agent#1989
Signed-off-by: Will Beason <willbeason@google.com>

* fix lint errors and comments

Signed-off-by: Max Smythe <smythe@google.com>

* tweak error message

Signed-off-by: Max Smythe <smythe@google.com>

Co-authored-by: Will Beason <willbeason@google.com>
Co-authored-by: Max Smythe <smythe@google.com>
Co-authored-by: Rita Zhang <rita.z.zhang@gmail.com>
Signed-off-by: Christoph Fraundorfer <christoph.fraundorfer@allianzdirect.de>

go.mod

@@ -26,7 +26,11 @@ require (
 	github.com/onsi/ginkgo v1.16.5
 	github.com/onsi/gomega v1.19.0
 	github.com/open-policy-agent/cert-controller v0.3.0
+<<<<<<< HEAD
 	github.com/open-policy-agent/frameworks/constraint v0.0.0-20220621170157-36b73e182701
+=======
+	github.com/open-policy-agent/frameworks/constraint v0.0.0-20220603201627-e8d94b2fcf7a
+>>>>>>> 838ee89e (feat: Add Constraint schema validation testing (#2092))
 	github.com/pkg/errors v0.9.1
 	github.com/prometheus/client_golang v1.12.2
 	github.com/spf13/cobra v1.5.0

go.sum

@@ -956,10 +956,17 @@ github.com/onsi/gomega v1.19.0 h1:4ieX6qQjPP/BfC3mpsAtIGGlxTWPeA3Inl/7DtXw1tw=
 github.com/onsi/gomega v1.19.0/go.mod h1:LY+I3pBVzYsTBU1AnDwOSxaYi9WoWiqgwooUqq9yPro=
 github.com/open-policy-agent/cert-controller v0.3.0 h1:9eUgN3yYMZsfyW7qdW8+CX9YZCUb5R5JfRTj0cqaSVg=
 github.com/open-policy-agent/cert-controller v0.3.0/go.mod h1:uOQW+2tMU51vSxy1Yt162oVUTMdqLuotC0aObQxrh6k=
+<<<<<<< HEAD
 github.com/open-policy-agent/frameworks/constraint v0.0.0-20220621170157-36b73e182701 h1:WpDMWWpLte6RGs4UruGQ+/iuKD6WBSVCgvs4Sc/IKco=
 github.com/open-policy-agent/frameworks/constraint v0.0.0-20220621170157-36b73e182701/go.mod h1:2+TcEyrHgPQqnLpYiLMME0Zt/zW1pRe7EbD6YHeN/Js=
 github.com/open-policy-agent/opa v0.41.0 h1:XDTkP8bcUVuY8WOVbRY4e/KZW31+f+/cxisPc0TPe5E=
 github.com/open-policy-agent/opa v0.41.0/go.mod h1:+kB8/8/4meTlq6ZmYRnvrL5nNrykd2eckDx4O6rk/dA=
+=======
+github.com/open-policy-agent/frameworks/constraint v0.0.0-20220603201627-e8d94b2fcf7a h1:YFthks7sIYmiOsElAwUZ48VdN9LI7ekF/vV4wYeR9mk=
+github.com/open-policy-agent/frameworks/constraint v0.0.0-20220603201627-e8d94b2fcf7a/go.mod h1:8GTSaIKto8bel+l15v1Zwm9qXF3LCgdHatn7+rj5Jhw=
+github.com/open-policy-agent/opa v0.40.0 h1:z/eg0ff3O1y6ovxpbL7xv+NHSwi8rVA7993sLv5Owac=
+github.com/open-policy-agent/opa v0.40.0/go.mod h1:UQqv8nJ1njs2+Od1lrPFzUAApdj22ABxTO35+Vpsjz4=
+>>>>>>> 838ee89e (feat: Add Constraint schema validation testing (#2092))
 github.com/opencontainers/go-digest v0.0.0-20170106003457-a6d0ee40d420/go.mod h1:cMLVZDEM3+U2I4VmLI6N8jQYUd2OVphdqWwCJHrFt2s=
 github.com/opencontainers/go-digest v0.0.0-20180430190053-c9281466c8b2/go.mod h1:cMLVZDEM3+U2I4VmLI6N8jQYUd2OVphdqWwCJHrFt2s=
 github.com/opencontainers/go-digest v1.0.0-rc1/go.mod h1:cMLVZDEM3+U2I4VmLI6N8jQYUd2OVphdqWwCJHrFt2s=

vendor/modules.txt

@@ -298,7 +298,11 @@ github.com/onsi/gomega/types
 # github.com/open-policy-agent/cert-controller v0.3.0
 ## explicit; go 1.17
 github.com/open-policy-agent/cert-controller/pkg/rotator
+<<<<<<< HEAD
 # github.com/open-policy-agent/frameworks/constraint v0.0.0-20220621170157-36b73e182701
+=======
+# github.com/open-policy-agent/frameworks/constraint v0.0.0-20220603201627-e8d94b2fcf7a
+>>>>>>> 838ee89e (feat: Add Constraint schema validation testing (#2092))
 ## explicit; go 1.17
 github.com/open-policy-agent/frameworks/constraint/deploy
 github.com/open-policy-agent/frameworks/constraint/pkg/apis