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

Gathers all shared test code in single place.

tests/unit/shared/Stubs/FunctionCallDataStub.ts

@@ -0,0 +1,17 @@
+import { FunctionCallData, FunctionCallParametersData } from 'js-yaml-loader!@/*';
+
+export class FunctionCallDataStub implements FunctionCallData {
+  public function = 'callDatStubCalleeFunction';
+
+  public parameters: { [index: string]: string } = { testParameter: 'testArgument' };
+
+  public withName(functionName: string) {
+    this.function = functionName;
+    return this;
+  }
+
+  public withParameters(parameters: FunctionCallParametersData) {
+    this.parameters = parameters;
+    return this;
+  }
+}