Add acceptance tests for an invalid host in auth login and auth token

The invalid host error is user-visible output of both commands, and the
auth token path was not exercised end to end.

Co-authored-by: Isaac <no-reply@databricks.com>

Author: maksim-zuev-db

acceptance/cmd/auth/login/invalid-host/out.test.toml

@@ -0,0 +1 @@
+Cloud = false

acceptance/cmd/auth/login/invalid-host/output.txt

@@ -0,0 +1,3 @@
+
+>>> musterr [CLI] auth login --host ?o=123 --profile test
+Error: invalid host "?o=123"

acceptance/cmd/auth/login/invalid-host/script

@@ -0,0 +1,5 @@
+sethome "./home"
+
+# A host that is empty without its query params is rejected before login
+# can fall back to discovery or DATABRICKS_HOST.
+trace musterr $CLI auth login --host '?o=123' --profile test

acceptance/cmd/auth/login/invalid-host/test.toml

@@ -0,0 +1,3 @@
+Ignore = [
+    "home"
+]

acceptance/cmd/auth/token/invalid-host/out.test.toml

@@ -0,0 +1 @@
+Cloud = false

acceptance/cmd/auth/token/invalid-host/output.txt

@@ -0,0 +1,3 @@
+
+>>> musterr [CLI] auth token --host ?o=123
+Error: invalid host "?o=123"

acceptance/cmd/auth/token/invalid-host/script

@@ -0,0 +1,9 @@
+sethome "./home"
+
+unset DATABRICKS_HOST
+unset DATABRICKS_TOKEN
+unset DATABRICKS_CONFIG_PROFILE
+
+# A host that is empty without its query params is rejected instead of
+# falling back to DATABRICKS_HOST.
+trace musterr $CLI auth token --host '?o=123'

acceptance/cmd/auth/token/invalid-host/test.toml

@@ -0,0 +1,3 @@
+Ignore = [
+    "home"
+]