Add removeAllTests method

Like removeTest but more wumbo

canary.js

@@ -690,11 +690,20 @@ class CanaryTest{
         this.logVerbose(`Removing child test "${child.name}" from parent test "${this.name}".`);
         const index = this.children.indexOf(child);
         if(index >= 0){
+            this.children[index].parent = undefined;
             this.children.splice(index, 1);
             return true;
         }
         return false;
     }
+    // Remove all child tests.
+    removeAllTests(){
+        this.logVerbose(`Removing all child tests from "${this.name}".`);
+        for(let child of this.children){
+            child.parent = undefined;
+        }
+        this.children = [];
+    }
     // Add a Test instance as a child of this one.
     addTest(child){
         this.logVerbose(`Adding a child test "${child.name}" to parent "${this.name}".`);

docs/api-advanced-usage.md

@@ -155,6 +155,12 @@ Remove a child test from a parent group.
 
 **Returns:** `true` if the test was in fact a child and was removed and `false` if it was not.
 
+# removeAllTests
+
+Remove all child tests from a parent group.
+
+**Arguments:** `({CanaryTest} test)`
+
 # orphan
 
 Remove a test from its parent group.