moved tests to source directory

Author: David Cavazos

.github/cloud-samples-tools/README.md

@@ -55,7 +55,7 @@ To the tools tests, we must change to the directory where the tools package is d
 We can run it in a subshell using parentheses to keep our working directory from changing.
 
 ```sh
-(cd .github/workflows/samples-tools && go test ./test)
+(cd .github/workflows/samples-tools && go test ./...)
 ```
 
 ## Finding affected packages

.github/cloud-samples-tools/test/config_test.go renamed to .github/cloud-samples-tools/pkg/config/config_test.go

@@ -1,4 +1,4 @@
-package test
+package config_test
 
 import (
 	c "cloud-samples-tools/pkg/config"

.github/cloud-samples-tools/pkg/config/testdata/config/comments.jsonc

@@ -0,0 +1,8 @@
+/*
+ * Multi-line
+ * comment
+ */
+{
+  // Single line comment.
+  "package-file": /* inline comment */ ["package.json"] // trailing comment
+}