diff --git a/tests/opatIO_sandbox/GS98hz.opat b/tests/opatIO_sandbox/GS98hz.opat
deleted file mode 100644
index 43e5baf..0000000
Binary files a/tests/opatIO_sandbox/GS98hz.opat and /dev/null differ
diff --git a/tests/opatIO_sandbox/meson.build b/tests/opatIO_sandbox/meson.build
deleted file mode 100644
index 095c09a..0000000
--- a/tests/opatIO_sandbox/meson.build
+++ /dev/null
@@ -1 +0,0 @@
-executable('tryGS98', 'opacity.cpp', dependencies: [opatio_dep])
\ No newline at end of file
diff --git a/tests/opatIO_sandbox/opacity.cpp b/tests/opatIO_sandbox/opacity.cpp
deleted file mode 100644
index 72ddb04..0000000
--- a/tests/opatIO_sandbox/opacity.cpp
+++ /dev/null
@@ -1,28 +0,0 @@
-#include <vector>
-#include <iostream>
-//#include <string>
-#include "opatIO.h"
-
-
-int main() {
-
-    std::string FILENAME = "GS98hz.opat";
-    OpatIO opatIO(FILENAME);
-    Header header = opatIO.getHeader();
-    std::cout << header.version << std::endl;
-    std::cout << header.comment << std::endl;  
-    std::cout << header.numTables << std::endl;
-
-    std::vector<TableIndex> tableIndex = opatIO.getTableIndex();
-
-    //print out the X,Z pairs in the table
-    for (size_t i=0; i< tableIndex.size()-1; i++){
-	std::cout << "Table [" << i << "]: {" << tableIndex[i].index.at(0) << ", "
-		  << tableIndex[i].index.at(1) << "}" << std::endl;
-    }
-
-    //find the table index corresponding to X=0.1, Z=0.001
-    std::vector<double> index = {0.1, 0.001};
-    OPATTable tab =  opatIO.getTable(index);
-
-}
diff --git a/tests/testsConfig.yaml b/tests/testsConfig.yaml
index 83cbc2a..94555fa 100644
--- a/tests/testsConfig.yaml
+++ b/tests/testsConfig.yaml
@@ -2,7 +2,7 @@ Debug: true
 
 Probe:
   GLVis:
-    Visualization: true
+    Visualization: false
     # Host: "10.28.92.45"
     Host: "localhost"
     Port: 19916