move GLMTestUtils.h where all tests can find it

tests/GLMTestUtils.h

@@ -20,6 +20,7 @@
 inline float getErrorDifference(const glm::vec3& a, const glm::vec3& b) {
     return glm::distance(a, b);
 }
+
 inline QTextStream& operator<<(QTextStream& stream, const glm::vec3& v) {
     return stream << "glm::vec3 { " << v.x << ", " << v.y << ", " << v.z << " }";
 }

tests/QTestExtensions.h

@@ -15,6 +15,8 @@
 #include <QtTest/QtTest>
 #include <functional>
 
+#include "GLMTestUtils.h"
+
 // Implements several extensions to QtTest.
 //
 // Problems with QtTest:

tests/physics/src/BulletUtilTests.cpp

@@ -17,7 +17,6 @@
 #include <NumericalConstants.h>
 
 // Add additional qtest functionality (the include order is important!)
-#include "GLMTestUtils.h"
 #include "../QTestExtensions.h"
 
 // Constants

tests/physics/src/MeshMassPropertiesTests.cpp

@@ -16,7 +16,6 @@
 
 // Add additional qtest functionality (the include order is important!)
 #include "BulletTestUtils.h"
-#include "GLMTestUtils.h"
 #include "../QTestExtensions.h"
 
 const btScalar acceptableRelativeError(1.0e-5f);