Move stubs from ./stubs to ./shared/Stubs

Gathers all shared test code in single place.

tests/unit/shared/Stubs/FunctionCallStub.ts

@@ -0,0 +1,28 @@
+import { IFunctionCall } from '@/application/Parser/Script/Compiler/Function/Call/IFunctionCall';
+import { FunctionCallArgumentCollectionStub } from './FunctionCallArgumentCollectionStub';
+
+export class FunctionCallStub implements IFunctionCall {
+  public functionName = 'functionCallStub';
+
+  public args = new FunctionCallArgumentCollectionStub();
+
+  public withFunctionName(functionName: string) {
+    this.functionName = functionName;
+    return this;
+  }
+
+  public withArgument(parameterName: string, argumentValue: string) {
+    this.args.withArgument(parameterName, argumentValue);
+    return this;
+  }
+
+  public withArguments(args: { readonly [index: string]: string }) {
+    this.args.withArguments(args);
+    return this;
+  }
+
+  public withArgumentCollection(args: FunctionCallArgumentCollectionStub) {
+    this.args = args;
+    return this;
+  }
+}