Bunch of tests were in header files so they all got compiled when main got compiled.

Prefer to have them in seperate compilation units for faster make times when changing tests.
Also parallel build is faster with seperate cpps.

tests/pglabtests/main.cpp

@@ -1,10 +1,4 @@
-#include "tst_CsvWriter.h"
-#include "tst_expected.h"
-#include "tst_PasswordManager.h"
-#include "tst_scopeguard.h"
-#include "tst_SqlLexer.h"
-
-#include <gtest/gtest.h>
+#include <gtest/gtest.h>
 
 int main(int argc, char *argv[])
 {

tests/pglabtests/pglabtests.pro

@@ -8,15 +8,15 @@ CONFIG += qt
 
 QT       += core
 
-HEADERS +=     \
-    tst_expected.h \
-    tst_SqlLexer.h \
-    tst_scopeguard.h \
-    tst_CsvWriter.h \
-    tst_PasswordManager.h
+HEADERS +=    
 
 SOURCES +=     main.cpp \
     tst_ExplainJsonParser.cpp \
+    tst_expected.cpp \
+    tst_SqlLexer.cpp \
+    tst_scopeguard.cpp \
+    tst_CsvWriter.cpp \
+    tst_PasswordManager.cpp \
     tst_ParamJson.cpp
 
 win32:CONFIG(release, debug|release): LIBS += -L$$OUT_PWD/../../core/release/ -lcore